To Next PageTo Next PageWhat to do if Mitsubishi Electric PUZ-A36NKA7 Air Conditioner trouble is reoccurring?
If the trouble with your Mitsubishi Electric Air Conditioner is reoccurring, assess the problem and take corrective action as outlined in the “9-3. SELF-DIAGNOSIS ACTION TABLE”. Also, perform troubleshooting to identify the cause of the issue, referring to “9-4. TROUBLESHOOTING OF PROBLEMS”.
What to do if Mitsubishi Electric PUZ-A36NKA7 trouble is not reoccurring and not logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and not logged, re-check the abnormal symptom. If the cause isn't clear, continue operating the unit for the time being. Also, conduct troubleshooting and ascertain the cause of the trouble according to “9-4. TROUBLESHOOTING OF PROBLEMS”. There is no abnormality concerning of parts such as electrical component, controller board, remote controller, etc.
What to do if Mitsubishi Electric PUZ-A36NKA7 Air Conditioner trouble is not reoccurring and logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring but is logged, consider temporary issues like protection device activity in the refrigerant circuit including compressor, loose wiring, or electrical noise. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the trouble occurred, matters related to wiring, etc. After finishing service, reset the error code logs and restart the unit. There is no abnormality in electrical component, controller board, remote controller, etc.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | PUZ-A36NKA7 |
| Category | Air Conditioner |
| Language | English |
General safety guidelines and precautions to be observed before and during repair service.
General safety guidelines and precautions to be observed before and during repair service.
Table detailing refrigerant charge amounts based on piping length for various models.
Table summarizing check codes, symptoms, and initial actions for troubleshooting.
Key points to check before and during a test run to ensure proper operation and safety.
Detailed steps for performing a test run using the wired remote controller.
Procedure for accessing and performing self-diagnosis functions via the remote controller.
Procedure for diagnosing the remote controller's functionality and identifying potential issues.
Detection and action for high-pressure switch activation during compressor operation.
Detection and action for high discharge or compressor surface temperatures.
Detection and action for open/short circuits in TH4 and TH33 thermistors.
Detection and action for open/short circuits in various outdoor unit thermistors.
Detection and action for abnormal heat sink temperatures, affecting the unit's performance.
Detection and action for abnormalities in the power module, potentially due to overcurrent.
Detection and action for abnormal rotational speed of the outdoor fan motor.
Details of U9 errors, including overvoltage, undervoltage, and PFC errors.
Detection and action for compressor overcurrent interruption during startup.
Detection and action for errors related to the current sensor.
Detection and action for low-pressure conditions affecting heating or cooling operations.
Detection and action for compressor overcurrent interruption after startup.
Troubleshooting for remote controller communication errors, including transmission and signal reception issues.
Troubleshooting for abnormalities in the remote controller's control board and clock function.
Troubleshooting for remote controller communication errors, including transmission and signal reception issues.
Troubleshooting for communication errors between indoor and outdoor units related to signal reception.
Troubleshooting for communication errors between indoor and outdoor units related to signal transmission.
Troubleshooting for communication errors between indoor and outdoor units related to signal reception.
Troubleshooting for communication errors between indoor and outdoor units related to signal transmission.
Troubleshooting serial communication errors between the outdoor controller and power boards, or M-NET board.
Troubleshooting refrigerant circuit abnormalities detected during cooling, dry, or auto cooling operations.
Troubleshooting errors related to M-NET communication, including address conflicts and transmission issues.
Troubleshooting for address conflicts in M-NET communication due to duplicate definitions.
Troubleshooting hardware errors in the transmission processor related to wiring or data transmission.
Troubleshooting for communication bus busy errors caused by transmission collisions or noise.
Troubleshooting communication errors between unit and transmission processors.
Troubleshooting 'NO ACK' signal errors in M-NET communication, indicating potential wiring or controller issues.
Troubleshooting M-NET communication errors where a response command is not received.
Troubleshooting when error codes appear and blink on the remote controller display.
Cautions and necessary checks for performing emergency operation.
Step-by-step procedure to enable and start emergency operation.
Table of abnormal conditions, check codes, and inspection methods based on LED indicators.
Continuation of abnormal conditions, check codes, and inspection methods.
Further continuation of abnormal conditions, check codes, and inspection methods.
Procedure for enabling and performing refrigerant leakage detection after installation.
Details of error content U9, including overvoltage, undervoltage, and PFC errors.
Procedure for removing the compressor, including refrigerant recovery.
