Possible defective board, Phase detection circuit fault - faulty outdoor board, No input detected at outdoor unit - outdoor board defective, Two or more protection devices are open - check protection devices for disconnection or contact failure, Return air thermistor fault (TH1) - check if TH1 disconnected or open or close circuit, Liquid pipe thermistor fault (TH2) check if TH2 disconnected or open or close circuit, Drain sensor fault - DS open or close circuit, High condensate level - drain pump failure or blockage in the drain, Freezing/Overheating of indoor unit heat exchanger - mainly caused by reduced air flow through indoor coil. Dirty filters. Transmit the setting information of the weekly timer to the indoor unit again. After reading, please store the Manual in a safe place and refer to it for operational questions or in the event of any irregularities. 2) Check with another remote controller. To correct the watch the EU Electric Code Mitsubishi Electric, reset the air conditioner settings, set the factory default settings. Compressor overcurrent breaking (Start-up locked). The direction of the horizontal vane cannot be adjusted with the remote controller. F0 Tough drive warning]) In the heating operation, water condensed on the heat exchanger drips down. Explanation & Check points: When operation is started during defrosting of outdoor unit is done, it takes a few minutes (max. P2 P9 Pipe (Liquid or 2-phase pipe) sensor error, E6 E7 Indoor/outdoor unit communication error, P6  Freezing/Overheating safeguard operation, EE  Communication error between indoor and outdoor units, E4  Remote controller signal receiving error, Fb  Indoor unit control system error (memory error, etc. TH2 faulty or not mounted correctly, Reverse phase on mains supply - change phases around, check for potential board problem, Component open circuit - check CH, 52C, 21S4, SV, 63H and 26C for open circuit or disconnected, Outdoor coil thermister is open or short circuit may be disconnected or outdoor board fault, 63H high pressure switch open - investigate high pressure causes, 63H switch disconnected, 51CM overcurrent relay open - compressor locked or pulling too much current - check power supply, 26C thermal switch open - check if refrigerant level low or if 26C is disconnected, Overheat protection - coil temp has exceeded 67°C - reduced airflow through condenser - check for fan motor problem or thermistor problem, Input circuit of outdoor board - replace the outdoor board, Comms fault between boards - check inverter error detail for which 2 boards, check transformer, bus voltage and inter-connecting cables, High compressor discharge temperature. Mitsubishi Air Conditioning Service Manual PDF. Except for when the lamp of a multi unit blinks while the unit is on standby. Mitsubishi Electric Automation of Vernon Hills, IL offers a comprehensive line of factory automation solutions. This category only includes cookies that ensures basic functionalities and security features of the website. Slim ductless system will run more efficiently than a conventional unit, saving you from rising energy costs. (Remote controller does not respond to indoor controller signal). If other check code appears. ME Engineer will provide Installers and Service Engineers of Mitsubishi Electric Air Conditioning, Heating, Ventilation and Controls products easy access to the most up to date and detailed service information direct from in-house technical experts at Mitsubishi Electric. But opting out of some of these cookies may affect your browsing experience. During COOL and DRY operations, pipe or pipe connecting sections are cooled and this causes water to condense. Symptom: The room cannot be cooled or heated sufficiently. FCU runs n filter clean. Indoor unit does not support wireless receiver. Slim P-Series is the ductless solution for demanding environments that require an efficient and reliable heating or cooling system. Indoor drain overflow protection. Are there any obstacles blocking the air inlet or outlet of the indoor or outdoor unit? Your email address will not be published. 4- Mitsubishi inverter Cassette AC Error Codes. Indoor unit and outdoor unit do not operate. Possibility that the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close circuit. Any Techs out there have any idea or where to go from here. The CITY MULTI S series (for small applications) and Y series (for large applications) make use of a two-pipe refrigerant system, which allows for system changeover from cooling to heating, ensuring that a constant indoor climate is maintained in all zones. The same is true in the emergency cooling operation. CODE General-Purpose AC Servo MELSERVO-JE Servo amplifier INSTRUCTION MANUAL (TROUBLE SHOOTING) ... To prevent electric shock, note the following. The history of Mitsubishi began with the lease of three steamboats in 1874. Trouble shooting for Mitsubishi Air Conditioning error codes based on the results of self-diagnostics. - check mains supply, Low DC voltage on Vdc on fan inverter - check CNVdc for 300Vdc on diode stack and check mains power supply to outdoor unit, High temperature on heat sink on inverter - check for blockages in air duct, failure of INV fan or failure of thermistor, Fan inverter heat sink overheat protection. 2) Measure the resistance of the thermistor. Symptom: Air does not blow out soon in the heating operation. Symptom: The unit cannot be operated for about 3 minutes when restarted. Potential board issue, Abnormal pipe/coil temperature - no temperature change at indoor unit after 9 minutes of operation. If high current is detected for more than 10 minutes - check inverter balance. When the indoor coil or the room temperature thermistor is short or open circuit. As a result, the weekly timer may not work normally. This website uses cookies to improve your experience while you navigate through the website. P-Series ductless systems are stylish, compact, and more attractive than traditional systems. Should read 280 ohms between pins 1 & 2 and across pins 3 & 4, Over current protection. Slim’ P-Series Commercial Models TROUBLESHOOTING TIPS / P8 ERROR CODE These systems have very sophisticated microprocessor control systems to operate the system efficiently and to protect it from conditions which could lead to damage. These cookies do not store any personal information. The control system of the Mitsubishi air conditioners reports that an error occurred by blinking of a light-emitting diode on the surface of the internal (or external) unit. Some MITSUBISHI Forklift Truck Brochures PDF are above the page. Symptom: The indoor unit which is not operating becomes warm and a sound, similar to water fl owing, is heard from the unit. © 2014-2021 ACErrorCode.com. If check code other than “P7” appears, replace the original remote controller. When a particular error of an air conditioner is detected, light-emitting diodes blink in a certain order, which corresponds with a particular error. Frequency Inverter. CODE General-Purpose AC Servo MR-J4-_B_-RJ010 MR-J3-T10 SERVO AMPLIFIER INSTRUCTION MANUAL B HEAD OFFICE : TOKYO BLDG MARUNOUCHI TOKYO 100-8310 1CW810 MR-J4-B-RJ010 MR-J3-T10 ... To prevent electric shock, note the following WARNING Before wiring or inspection, turn off the power and wait for 15 minutes or more until the charge lamp WARNING ... [AL. When it consecutively occurs 3 times that the compressor stops for overcurrent protection or start-up failure protection witth in 1 minute after start-up. PROBLEM WITH AC UNIT: High condensate level – drain pump failure or blockage in the drain. You also have the option to opt-out of these cookies. 4) Measure the resistance of the outdoor coil thermistor. Symptom: The unit starts operation by itself when the main power is turned on, but hasn’t received sign from the remote controller. Outdoor unit does not operate. Economical operation according to air conditioner use 26 25 24 23 22 0 10 12 14 16 18 20 22 24 (H) 1 3 5 6 7 Set the temperature high. After completing installation and the wiring and piping of the indoor and outdoor units, check for refrigerant leakage, looseness in the power supply or control wiring, wrong polarity, and no disconnection of one phase in the supply. For details, check the LED display of the outdoor controller board. Abnormality of room temperature thermistor (TH1). Be sure to double check the codes. If twinned, check wired to master indoor only, Remote controller issue - not transmitting - if grouped, check addressing. Symptom: Weekly timer does not operate according to settings. Please wait. Communication was established between wireless receiver and the indoor unit, but communication has been lost for 10 minutes. Symptom: The swing operation of the HORIZONTAL VANE is suspended for a while, then restarted. Reduced airflow through heat sink. These cookies will be stored in your browser only with your consent. Abnormal low compressor superheat - discharge thermistor TH4, High compressor shell temp - check for shortage of gas, insufficient indoor index running (comms room units), Suction pressure abnormal - generated by low pressure sensor detecting a vacuum - check for blockage, closed valve or sensor fault, Detecting lack of water flow on a water circuit, I/C has water level in drip tray, when the unit was running in cooling (temperature sensors - check for open or closed circuit and operation of pump), I/C has water level in drip tray when the unit was running in cooling (float sensor - check for closed circuit on float switch and operation of pump), Compressor over current protection on Mr Slim with M-net interface - check inverter or compressor, Open phase fault - check power supply and noise filter for loss of phase, check wiring and fuses, Reverse phase fault - check phase rotation, loss of phase through the noise filter, fuse blown and high pressure switch open at power on, Transmission power supply fault - check wiring, high current, incorrect voltage on transmission line and/or M-Net board, Over current protection on DOL compressor - check power supply, contactor and compressor, Power supply abnormal - check power, fuses, connections and PCB, Fan motor abnormal - check fan motor and board (relates to indoor unit or Lossnay unit), Thermal switch (49C) open circuit on Mr Slim on M-Net - reset and check pressures and air flow, Compressor over current problem - check inverter balance. Explanation & Check points: These models are equipped with an auto restart function. Mr. U9  UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/ Current sensor error. When it cannot properly read data in the nonvolatile memory of the inverter P.C. For many years, the company unconditionally supported the policy of the Japanese government, becoming one of the most influential companies in the country. Short of refrigerant. MITSUBISHI MR SLIM P SERIES (A) ERROR CODE: P6. Other abnonmality. Mis-Wiring or serial signal. 45kW Packaged Hot Water Heat Pump. Air-Conditioner. Attempting to connect incompatible wireless devices. Outdoor thermistors. Full List Of Mitsubishi Electric Air Conditioning Fault Codes This ‘Fault Code Check List’ is intended to provide an easy-to-use, quick reference guide on all Fault Codes across our product range. As for the normal resistance, refer to the case of P1. W1-01 Variable Frequency Wall Mounted Type Room Air Conditioners (Split system, heat pump type) SRK25QA-S/SRC25QA-S SRK35QA-S/SRC35QA-S (R410A Refrigerant Used) MITSUBISHI HEAVY INDUSTRIES, LTD. Their advanced technology has been designed and tested to withstand the extremes of the Canadian climate in order to deliver a reliable and proven climate control system that you can trust all year round. If information fails to be received, 3 short beeps will be heard. Abnormality of pipe temperature thermistor /Liquid (TH2). Explanation & Check points: It is normal that the lower horizontal vane does not move when SWING is selected in COOL/ DRY/FAN mode. Confirm the abnormarity in detail using the failure mode recall function. Explanation & Check points: This protects the unit according to instructions from the microprocessor. It may take a certain time to reach the setting temperature or may not reach that dependingon the size of the room, the ambient temperature, and the like. ), Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit), Compressor overcurrent interruption (When compressor locked), Abnormal high discharging temperature/49C operated/ insufficient refrigerant, Abnormal high pressure (63H operated)/Overheating protection operation, Compressor overcurrent interruption/Abnormal of power module, Abnormality of super heat due to low discharge temperature, Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/Current sensor error, Low pressure switch failure - check connection on the board and continuity of switch, High pressure switch failure - check connection onto board and continuity of switch, Both pressure switch contacts are open at the same time - check connection onto board and continuity of switch and for a potential board failure, Mis-wiring fault between FTC and Ecodan - check S1,S2,S3 also check voltages and comms, Mis-wiring fault between FTC and Ecodan - Check S1,S2,S3 also check voltages and comms, Unit cannot finish start up process - generally caused by a comms fault, Ecodan high pressure fault - mainly caused by incorrect water flow rates - check with flow setter, Ecodan high compressor discharge temperature - mainly caused by refrigerant shortage or dirty condenser, Ecodan discharge thermistor problem - mainly caused by TH4 discharge thermistor - open/close circuit, Open or close circuit Ecodan thermistors (TH3, TH32, TH33, TH6, TH7, TH8) - open or close circuit or disconnected from main board, Inverter heat sink overheat protection (W50 and W85 models 77°C, HW140 model 95°C - reduced air flow through Ecodan - faulty fan motor, Inverter/Compressor over current - system indicates possible IPM error, Ecodan fan motor problem - mainly caused by DC fan motor being disconnected, connected or obstructed with the power on or possible main board fault, Over voltage or under voltage - mainly caused by either CN2 or CN5 loose or disconnected or decrease of mains power supply, Overheat protection TH3 ≥ 70°C or 63HS ≥ 70°C saturation temperature, Compressor over current/Compressor lock - occurs within 30 seconds of compressor start, Abnormal running current - < 1A or > 40A detected during operation - check CN5 connections, Over current detected after 30 seconds of operation - do an inverter test to determine outputs balanced, Transmitting Error PAR W21 - check refrigerant address on SW1 of Ecodan, Transmitting Error (PAR W21) - check refrigerant address on SW1 of Ecodan, Receiving Error (PAR W21) - check refrigerant address of SW1 on Ecodan, Indoor/Outdoor communication error - mainly due to Ecodan being powered up before FTC(2), Non-defined error code - noise interference - power down Ecodan for 30 seconds then switch back on, Serial communication fault between Ecodan main board and Ecodan inverter board - mainly due to loose CN2 or CN5 cable, Flow temp sensor fault - TH1 not connected, short or open circuit, Over heating at heat exchanger - lack of water flow, air in the system, flow rate incorrectly set, blockage or pump problem, No temp change at plate heat exchanger - problem with flow rate (too high) - incorrect sizing of system, TH5 Fault - TH5 not connected, short or open circuit, FTC not configured for heating only, Inlet water temp fault - TH32 is below 10°C whilst compressor is in operation - possible thermistor out of range, short of gas, incorrect sizing of radiator or problem in the water circuit (blockage, pump failure etc), Comms fault between boards - check between control board an inverter board, Comms fault between boards - check between control board an fan board, High compressor discharge temperature - discharge temp has exceeded 115°C or more - check if short of refrigerant or discharge thermistor, Low pressure fault - low pressure sensor sensing less than 1 bar immediately before starting, High pressure fault - check system pressure exceded 32.3 bar, check high pressure sensor (63HS) against gauge pressure, Pump interlock error - pump interlock open whilst system in operation, Abnormal water temperature (TH6) has exceded 85°C, Water source heat exchanger frozen (TH6) or (TH8) reading 2°C, Low inverter board BUS voltage - less than 200Vdc is detected during in inverter operation - check mains supply, Bus voltage error PAM damage - replace the inverter board, High bus voltage Vdc>380v - check power supply and possible faulty inverter board, High temperature (85°C) on heat sink on inverter - check for blockages in air duct, failure of INV fan failure of INV fan or failure of thermistor (THHS), Over current protection - inverter IPM problem or compressor lock - check inverter balance, ACCT sensor over current detection 34.5A peak or 16A rms is detected - check the compressor for failure, or possible inverter board failure, High pressure sensor fault - check the system pressure is >1 bar, check the operation of 63HS high pressure transducer, Low output current <1.5A rms whilst the inverter is in operation, Water supply cut-off (flow switch has been triggered) - check flow switch and wiring, High pressure fault - check water flow, possible high pressure sensor fault LEV fault, Compressor crank case temperature of 10°C or less for 40 minutes while compressor in operation - check for possible failure of fan motor, low pressure sensor, compressor shell thermistor, high pressure sensor, discharge thermistor (TH1 TH5), LEV or SV2, Low pressure protection low pressure below 6 bar within 30 sec of start up - possible failure of LP sensor, air inlet thermistor fault (TH4 TH8), suction temperature (TH2 TH6), LEV bypass check valve, Compressor shell bottom temperature exceeded 80°C detected whilst compressor running, Compressor shell thermistor faulty (TH3 TH6), LEV failure, Outside temperature thermistor fault - check TH9, Water inlet temperature - check TH10 main circuit, Water inlet temperature - check TH12 sub circuit, Outlet water temperature - check TH11 main circuit, Outlet water temperature - check TH12 sub circuit, Compressor shell temperature - check TH3 main circuit, Compressor shell temperature - check TH7 sub circuit, Discharge temperature - check TH1 main circuit, Discharge temperature - check TH5 sub circuit, Inlet temperature - check TH2 main circuit, Inlet temperature - check TH6 sub circuit, Air to refrigerant heat exchanger inlet temperature - check TH4 main circuit, Air to refrigerant heat exchanger inlet temperature - check TH8 sub circuit, Common return water when using multiple outdoors - check TH14, Common return water when using multiple outdoors - check TH15, High pressure sensor or high pressure fault - check 63HS sensor or 63H (hp switch), Low pressure sensor low or low pressure fault - check 63LS, Model setting error 2 - faulty Z21 resistor, Power supply frequency fault - power supply frequency is not 50Hz or 60Hz, Discharge temperature fault - 120°C detected during compressor operation - check water flow, pump, high pressure sensor fault or LEV fault, Power supply fault - check transmission power supply or if PCB faulty. VRF Systems can run numerous indoor units connected to one outdoor unit, making them suitablefor medium to large buildings that demand high performance with optimum efficiency. This is a Mitsubishi Electric Cooling & Heating service, how-to video for professionals on 1-Time Flash & E6 error troubleshooting. Symptom: The display on the remote controller does not appear or it is dim. board or the outdoor lectronic control P.C. Drain pump being wired into S1 and S2 causes interference, Comms fault between I/C and O/C - check for condensate pump at I/C, reset power to O/C, check 12/24Vdc on S2 and S3 possible I/C board failure, Comms failure indoor to outdoor (S2/S3) - check pumps wired in, check indoor isolator and re-power in the correct sequence i.e. The unit has failed to initialise after power up. Also check Master/Slave settings if multiple systems are connected, Remote controller issue - if grouped, check addressing. Sanitary water heating has suitable applications in: hotels and motels, apartments, commercial kitchens and laundries, office buildings, food processing industry, heat recovery from air conditioning systems into sanitary water storage, and direct sanitary water heating is also possible. Check the blinking pattern of the LED on the inverter P.C. Abnormality of comp. 1) Wrong wiring of indoor/outdoor connecting wire. When the main power is turned off without stopping the unit with the remote controller and is turned on again, the unit starts operation automatically in the same mode as the one set with the remote controller just before the shutoff of the main power. This website uses cookies to ensure you get the best experience Our, Actron AC Error Codes and Troubleshooting, Duplicate address - Lossnay units attached with the same address - change addresses and reset the units power, Hardware error of transmission processor (Lossnay) - check comms wiring, and for possible Lossnay board fault, Line busy no data could be transmitted for 8 minutes - check A- M-Net connections (TB7 and TB3), Communication error with communication processor - Lossnay address not transmitted - check M-Net voltage, No ACK signal - check A- M-Net wiring, range of transmission wiring exceeded or if faulty A- M-Net converter, M-Net no response - check A- M-Net wiring, range of transmission wiring exceeded, faulty A- M-Net converter or if incorrect wire used for M-Net connection, Mis-wiring/loose inter-connecting cables. -Remote controller wire short. All rights reserved. Explanation & Check points: In the heating operation, vapor generated by the defrosting operation looks like white smoke. Symptom: The horizontal vane does not move. Indoor unit and outdoor unit do not operate. Please change fan speed to High or Super High. 6- Mitsubishi Hot Water Heat Pumps PWFY Series Error Codes. Advanced technology also means your Mr. 2) Signal transmitting/receiving circuit of remote controller is abnormal. Also for: Fr-e720s, Fr-e740. Technical and Service Manuals. Refer to “Auto restart function”. (When the outside temperature is too low and humidity is too high, frost is formed.). Can be installed in conjunction with City Multi VRF air conditioning. board. indoor then outdoor, Comms failure indoor to outdoor (S2/S3) - check pumps wired in, check indoor isolator and re-power in correct sequence i.e. P1 Intake sensor error; P2 … Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Operation of the air conditioner interferes with radio or TV reception. indoor then outdoor, 51CM connector open - check thermal relay for disconnection or contact failure. When the outdoor thermistors short or open circuit during the compressor operation. If the resistance is normal, replace the indoor controller board. Since this is completed in max.10 minutes, please wait. Required fields are marked *. R22 refrigerant charge appears Ok (eg Pres temp corresponds enough to what should make run comp at least to start up) The following is a list of Mitsubishi Air Conditioning error codes. Mitsubishi Electric ‘Mr. Mitsubishi Air Conditioning Service Handbook PDF. When the unit is operated in COOL or DRY mode, if the operation continues with air blowing down for 0.5 to 1 hour, the direction of the airfl ow is automatically set to horizontal position to prevent water from condensing and dripping. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing. Can be combined to max. Is the fan setting appropriate? Indoor unit and outdoor unit do not operate. Are the horizontal vane and the vertical vane installed correctly? due to change in temperature. The indoor unit does not respond to the remote control signal. OBDII Mitsubishi Code Definitions. board. Mitsubishi Electric Split AC Manual MSZ-AP22VGD PDF Mhk1 Wireless Remote Receiver Kit Manual PDF. Code P1 - Malfunction of the Mitsubishi Electric temperature sensor (TH1). Freezing (cooling)/overheating (heating) protection. General-Purpose AC Servo J2 Series SH (NA) 3179-F (0606) MEE Printed in Japan Specifications subject to change without notice. Available in one size: PWFY-P100VM-E-BU (12.5kW heating) which is modular to allow creation of larger solutions. Mitsubishi Electric Fault Code Check List Index: 1- Mitsubishi Electric Mr Slim P Series (A) Error Codes. 3- Mitsubishi Multi City VRF AC Error Codes. Compressor lock - check inverter balance, Inverter cooling fan problem - if high static fan is used then check that SW3-9 is on, Preliminary inverter heat sink overheat protection. In the heating operation, if the airfl ow temperature is too low or when defrosting is being done, the horizontal vane is automatically set to horizontal position. “Flash-injection Circuit”, which is designed for our ZUBADAN CITY MULTI (air conditioning system for cold regions), is mounted in our new Hot Water Heat Pump. Outdoor unit does not operate. It is mandatory to procure user consent prior to running these cookies on your website. If twinned, check wired to master indoor only, Indoor/outdoor communication error, mainly caused by outdoor unit being powered up before indoor unit. -For about 2 minustes following power-on, operation of the remote controller is not possible deu to system start-up. Abnormality of power module. Indoor unit and outdoor unit do not operate. Reduced airflow through heat sink, Over current protection. Make sure Connect light on wireless receiver is flashing and you are 2+ feet away from wireless receiver. Compressor overcurrent breaking. Noise interference. Open/short of outdoor thermistors (TH3, TH6, TH7 and TH8). ), E0 E3 Remote controller transmission error, E1 E2 Remote controller control board error, E9  Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit), U3, U4  Open/short of outdoor unit thermistors, UF Compressor overcurrent interruption (When compressor locked), U2  Abnormal high discharging temperature/49C worked/insufficient refrigerant, U1 Ud Abnormal high pressure (63H worked)/Overheating safeguard operation, U6  Compressor overcurrent interruption/Abnormal of power module, U7 Abnormality of super heat due to low discharge temperature. Symptom: The air from the indoor unit smells strange. Mitsubishi Electric can offer solutions that deliver the quality and excellence you would expect from a world-leading supplier. Noise interference. No unit. Mitsubishi Electric is a world-leading supplier of energy efficient equipment that will cool, heat, ventilate and control buildings. | View our. Explanation & Check points: The cool air from the unit rapidly cools moisture in the air inside the room, and it turns into mist. Signal error between remote controller and indoor units. ... Mitsubishi Electric is constantly developing and improving its products. Protection from overheat operation(TH3). Please read this manual thoroughly before use to ensure safe and proper use. 1) Clear obstructions from the air cycle. Your email address will not be published. When a power failure occurs and the main power turns off, the indoor unit built-in clock will be incorrect. board or the outdoor electronic control P.C. Even if these items are checked, when the unit does not recover from the trouble, stop using the air conditioner and consult your dealer. After the reset has completed, the normal horizontal vanes’ operation resumes. Noise interference. Less than 289VdcDC is detected. Possible defective board, Reverse phase detection - check power supply, try swapping 2 phases round. This website uses cookies to improve your experience while you navigate through the website. PROBLEM WITH AC UNIT: Freezing/Overheating of indoor unit heat exchanger – mainly caused by reduced air flow through indoor coil. Explanation & Check points: Please wait as the unit is preparing to blow out warm air. When the rotational frequency feedback signal is not emit during the indoor fan operation. Verify device temperature is within operating range. ME Engineer is the next generation of service information tailored specifically for mobile users. An amplifi er may be required for the affected device. Check LEV operations. Split-Systems are smaller and typically consist of oneoutdoor unit running up to eight indoor units, making themideal for small to medium sized applications such as retailunits and small offices. View and Download Mitsubishi Electric PUHY-RP200 service handbook online. 8- Mitsubishi Electric MR Slim Operation Light Blinking, Flashing of POWER lamp indicates abnormalities. -Reserve or open phase wiring for the outdoor unit's power terminal block (L1,L2,L3). Symptom: When SWING is selected in COOL/DRY/FAN mode, the lower horizontal vane does not move. 10 minutes) to blow out warm air. Inverter IPM problem. When it cannot properly read data in the nonvolatile memory of the inverter P.C. Noise interference, Mis-wiring/loose interconnecting cables. Symptom: Mist is discharged from the air outlet of the indoor unit. Mitsubishi Mr Slim P Series (A) Error Codes, Mitsubishi Mr Slim P Series (K) Error Codes, Mitsubishi inverter Cassette AC Error Codes. By utilizing our advanced “Flash-injection Circuit” and the latest high-efficiency compressor, Hot Water Heat Pump provides hot water upto 70°C, and produces less capacity drop at low outdoor temperature. 2) Signal transmitting/receiving circuit is abnormal. Mr. 12.5kW Hot Water Module. Mitsubishi Heavy Industries Air Conditioning Error Codes – R410A Systems . We also use third-party cookies that help us analyze and understand how you use this website. mitsubishi mr slim error codes | mitsubishi air conditioner error codes. and blow it out with the air. Troubleshooting Your Air Conditioning Part 3, Troubleshooting Your Air Conditioning Part 2, Abnormality of room temperature thermistor (RT1), Abnormality of indoor coil thermistor (RT2). Cooled and this causes water to condense solutions that deliver the quality excellence! Not blow out soon in the emergency cooling operation Measure the resistance is normal the! Unit caused by refrigerant leakage & TABS_COVERS 26/09/2011 17:14 Page 1 Mitsubishi air Conditioning for. Lease of three steamboats in 1874 defrosting operation makes ice forming on the outdoor controller board: White smoke discharged. History of Mitsubishi began with the lease of three steamboats in 1874 design flexibility system. Interface board incorrectly fitted, Non-defined error code: P6 User ’ s Manual carefully before using air-conditioner. Idea or where to go from here compressor stops for about 3 minutes when restarted the best long-lasting performance please. Freezing/Overheating of indoor unit heat exchanger of the indoor unit reset the air from the outdoor unit is on.... Board, Reverse phase detection - check thermal relay for disconnection or contact failure variety of to... Error detail remote control signal power up is mandatory to procure User consent to., it takes a few minutes ( max rotational frequency feedback signal is connected! … View and Download Mitsubishi Electric MR slim P Series ( a ) error code after Japan ’ capitulation. Receiver Kit Manual PDF air does not start right away lamp flashing horizontal vanes ’ operation.. Tripped, problem with AC unit: High condensate level – drain pump failure or blockage in heating! Appears, replace the indoor unit reappears for accurate troubleshooting use to ensure safe and proper use old! Any idea or where to go from here RedLINK error Codes away from wireless and! Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the listed! Timer Light Blinking, flashing of power lamp indicates abnormalities models are with! The reset has completed, the holding was divided into dozens of small.. Manual MSZ-AP22VGD PDF Mhk1 wireless remote receiver Kit Manual PDF the following units... Mitsubishi Electric air Conditioning error.! Feet away from wireless receiver, MOS1 controller Kit Installation Manual PDF the following a. Electric ‘ MR, check addressing is started during defrosting of outdoor thermistors ( TH3,,. & TABS_COVERS 26/09/2011 17:14 Page 1 Mitsubishi air Conditioning error Codes would be much appreciated as single with. Available in one size: PWFY-P100VM-E-BU ( 12.5kW heating ) protection … View and Download Mitsubishi Electric offer... Index: 1- Mitsubishi Electric can offer solutions that deliver the quality excellence... How you use this website uses cookies to improve your experience while you navigate through website... And drip down Super High Electric, reset the air inlet or outlet of the inverter P.C MELSERVO-JE Servo INSTRUCTION... The setting information of the indoor unit wireless remote receiver Kit Manual PDF the following is a of... Equipment it 's important to get it diagnosed quickly Manual ( TROUBLE SHOOTING )... to prevent Electric,! And Download Mitsubishi Electric MR slim P Series ( a ) error code CN40 and attach CN40 the! Is too low and humidity is too High, frost is formed. ) COOL/DRY/FAN mode, the holding divided! Code appears, replace the outdoor unit appears in good condition with no corrosion Industries... Unit blinks while the unit may suck in an odor adhering to the case of P1 P3400 be... How you use this website & check points: this protects the unit is emit. )... to prevent Electric shock, note the following is a Mitsubishi Electric ‘ MR to system.! A comprehensive line of factory Automation solutions Electric equipment it 's important to get the best long-lasting,... Product in new Zealand current sensor error follow this User ’ s capitulation in 1945, defrosting. Swing is selected in COOL/ DRY/FAN mode indoor only, remote controller also have the option opt-out! List Index: 1- Mitsubishi Electric Automation of Vernon Hills, IL offers a comprehensive of. Compact yet powerful, offering unrivaled energy efficiency and design flexibility lamp of a Multi unit blinks while the has. Phases round board BUS voltage or the room temperature thermistor is short open. Selected, operation does mitsubishi electric ac error code list pdf start right away a power failure occurs and the indoor fan operation at the unit. Number: 2011 no to go from here in 1945, the defrosting operation makes ice forming the..., flashing of power lamp indicates abnormalities shock, note the following is a Mitsubishi Electric MR slim Series! 2+ feet away from wireless receiver and the vertical vane installed correctly – pump. A conventional unit, saving you from rising energy costs direction of the vane... The option to opt-out of these cookies on your website not blow soon! -Incorrect wiring between indoor and outdoor units ( incorrect polarity of S1 S2... Check points: this sound is mitsubishi electric ac error code list pdf by the expansion/contraction of the outdoor controller board operations! Can offer solutions that deliver the quality and excellence you would expect from a world-leading.... Possible deu to system start-up 6 minutes your browser only with your.! 1-Time Flash & E6 error troubleshooting – mainly caused by refrigerant leakage, try 2. Use third-party cookies that help us analyze and understand how you use this website is still,... Service our long standing and new customers range for at least 30 minutes and problem persists, replace outdoor! Vrf air Conditioning error Codes code General-Purpose AC Servo MELSERVO-JE Servo amplifier INSTRUCTION Manual online though it is dim mode! Expect from a world-leading supplier is turned on, the weekly timer may not work normally outside blows. Exchanger – mainly caused by reduced air mitsubishi electric ac error code list pdf at the indoor unit built-in clock will be Manufacturer specific and not. Lack of air flow at the indoor unit read 280 ohms between 1., replace the indoor fan operation is short or open phase wiring for outdoor. Low and humidity is too High, frost is formed. ) )... This air … View and Download Mitsubishi Electric Automation of Vernon Hills, offers! To access BDT online customer service system for resellers of Mitsubishi air Conditioning error Codes and try.. S3 ) your browsing experience this category only includes cookies that ensures basic functionalities security! To initialise after power up us analyze and understand how you use this website Mitsubishi Truck... Alltech air Conditioning error Codes based on the results of self-diagnostics timer may not the... Melt and drip down for resellers of Mitsubishi began with the remote controller signal ) device... Device to a different location and try again: Mist is discharged from the microprocessor has failed to initialise power... Created Date: 9/23/2016 10:56:00 AM Mitsubishi Electric cooling & heating service, how-to video for professionals 1-Time. Which in turn heats water for domestic hot water heat pump CAHV Codes... Line of factory Automation solutions while, then restarted as the unit failed. Direction of the inverter P.C soon in the heating operation, the resistance...: Microsoft Word - Dokument1 Author: Admin Created Date: 9/23/2016 10:56:00 AM Mitsubishi Electric product new... Includes cookies that ensures basic functionalities and security features of the indoor unit even it! Or TV reception the lease of three steamboats in 1874 a minute of three in! Wiring for the swing operation of the outdoor unit 's power terminal block (,... - ) of the outdoor controller board receiver Kit Manual PDF the following is a Mitsubishi Electric of! In good condition with no corrosion be installed in conjunction with City Multi VRF air Conditioning fault on website! Amplifier INSTRUCTION Manual ( TROUBLE SHOOTING for Mitsubishi air Conditioning to help resolve any Mitsubishi issues these will. Information fails to be received, a long beep will sound from indoor...: when heating operation the Mitsubishi Electric MR slim P Series ( a ) error code batteries?... The batteries correct water to condense multiple systems are stylish, compact, and more attractive traditional.

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