To Next PageTo Next PageWhat to do if the trouble is reoccurring with my Mitsubishi Electric Heat Pump?
If the trouble with your Mitsubishi Electric Heat Pump is reoccurring, you should determine the issue and take corrective action according to the self-diagnosis action table. Additionally, conduct troubleshooting to ascertain the cause of the problem.
What to do if the trouble is not reoccurring on my Mitsubishi Electric Heat Pump?
If the trouble is not reoccurring with your Mitsubishi Electric Heat Pump, consider temporary defects such as the activation of protection devices in the refrigerant circuit (including the compressor), poor wiring connections, or noise. Re-check the symptom, and inspect the installation environment, refrigerant amount, and weather conditions when the trouble occurred, as well as anything related to wiring. If the cause is not ascertained, continue to operate the unit for the time being. Also, reset check code logs and restart the unit after finishing service. Moreover, re-check the abnormal symptom. Conduct troubleshooting to ascertain the cause of the trouble. Note that there might be no abnormality in electrical components, controller board, or remote controller.
General| Cooling Capacity (kW) | 8.0 |
|---|---|
| Heating Capacity (kW) | 9.0 |
| Refrigerant | R410A |
| Power Supply | 220-240 V, 50 Hz |
| Operating Temperature Range (Cooling) | -5°C to 46°C |
General safety guidelines to follow before and during repair services.
Specific safety warnings for handling R32 refrigerant.
Crucial warnings and guidelines for service personnel to ensure safety and correct procedures.
Detailed precautions when operating units with R32 refrigerant.
Procedure for safely collecting refrigerant before unit relocation or disposal.
Overview of check codes, causes, and corrective actions for troubleshooting.
Lists common operational issues and their corresponding countermeasures.
Diagram showing test points and connections on the outdoor controller circuit board.
Details the functions and settings of various switches on the unit.
Details error codes and blinking patterns indicating abnormal conditions.
Guide to using the Service Tool and interpreting LED status lights and error codes.
