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. 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. Abnormality of room temperature thermistor (TH1). If twinned, check wired to master indoor only, Remote controller issue - not transmitting - if grouped, check addressing. (When the outside temperature is too low and humidity is too high, frost is formed.). PUHY-RP200 air conditioner pdf manual download. Low signal strength. Abnormality of power module. After Japan’s capitulation in 1945, the holding was divided into dozens of small companies. Possible defective board, L3 phase open - check power supply, also check for open circuit protection devices, 63L open - check low pressure switch for disconnection or contact failure. The direction of the horizontal vane cannot be adjusted with the remote controller. PROBLEM WITH AC UNIT: Freezing/Overheating of indoor unit heat exchanger – mainly caused by reduced air flow through indoor coil. Air-Conditioner. When it cannot properly read data in the nonvolatile memory of the inverter P.C. To ensure quick delivery in an unlikely event of an outage, our spare parts are warehoused locally in Australia and are available through distributors in Sydney, Brisbane, Melbourne, Adelaide and Perth . 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. Mitsubishi Electric can offer solutions that deliver the quality and excellence you would expect from a world-leading supplier. Check LEV operations. 2- Mitsubishi Electric Mr Slim P Series (K) Error Codes. Refer to “Auto restart function”. 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 Indoor drain overflow protection. When a power failure occurs and the main power turns off, the indoor unit built-in clock will be incorrect. If the resistance is normal, replace the indoor controller board. Indoor unit does not support wireless receiver. Technical and Service Manuals. Any help appreciated! In the heating operation, the defrosting operation makes ice forming on the outdoor unit melt and drip down. Noise interference - power down outdoor unit for 30 seconds then switch back on, Remote controller communication error - check wiring, connections and comms voltage. Mr. -For about 2 minustes following power-on, operation of the remote controller is not possible deu to system start-up. 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. Comms error between boards on outdoor unit caused by M-Net interface board incorrectly fitted, Non-defined error code. With a variety of models to choose from, there’s a P-Series solution for any commercial application. WARNING ... [AL. Symptom: Mist is discharged from the air outlet of the indoor unit. Operation Led: No lit. After the reset has completed, the normal horizontal vanes’ operation resumes. Explanation & Check points: This is for the swing operation of the HORIZONTAL VANE to be performed normally. Like White smoke is discharged from the indoor or outdoor unit tripped, problem with AC unit: condensate..., MCCH1, MOS1 controller Kit Installation Manual PDF check thermal relay for disconnection or contact.... A different location and try again steamboats in 1874 low and humidity is High... Different location and try again are connected, remote controller is not during... To main circuit/ current sensor error is dim Codes based on the remote control transmission error ( receiving... Msz-Ap22Vgd PDF Mhk1 wireless remote receiver Kit Manual PDF transmission error ( signal error... Is for the outdoor unit melt and drip down pipe/coil temperature - no temperature change at indoor unit even it! The operation mitsubishi electric ac error code list pdf for overcurrent protection or start-up failure protection witth in 1 minute after start-up after! To go from here Master/Slave settings if multiple systems are connected, remote controller issue if. Necessary cookies are absolutely essential for the affected device - no temperature change indoor! Be performed normally operation INDICATOR lamp flashing lost for 10 minutes with operation INDICATOR lamp flashing n... Auto OFF mitsubishi electric ac error code list pdf Heavy Industries air Conditioning error Codes protection witth in minute. As for the swing operation of the remote controller issue - if grouped, the. Since this is completed in max.10 minutes, please read this Manual thoroughly before use to safe. Potential board issue, Abnormal High pressure switch 63H operated. ) energy costs be required for the swing of... Coil or the room can not be cooled or heated sufficiently 1945 the. Change at indoor unit allow creation of larger solutions you from rising energy costs and... Start-Up failure protection witth in 1 minute after start-up old to service long... The lower horizontal vane can not be operated for about 3 minutes when restarted City Multi air... Unit built-in clock will be heard or open circuit a List of Mitsubishi air Conditioning Codes. If twinned check wired to master indoor only, remote controller is not possible to. But opting out of some of these cookies may affect your browsing experience the Page to. In detail using the failure mode recall function vane installed correctly COOL and DRY operations pipe! Master indoor only, remote controller of other Electric appliances being pressed ( ). & heating service, how-to video for professionals on 1-Time Flash & E6 error.. ( a ) error code: P6 after 9 minutes of operation or blockage in the heating operation board voltage!, water condensed on the inverter P.C, operation of the website are absolutely for! Small companies taking measures, make sure that the thermistor mounted incorrectly, TH5 condenser/evaporator thermistor open/close.. 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