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 PUD-SWM120YAA 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| Type | Heat Pump |
|---|---|
| Cooling Capacity | 12.0 kW |
| Refrigerant | R410A |
| Power Source | Electric |
| Operating Temperature Range (Heating) | -15°C to 24°C |
| Series | SWM |
| Heating Capacity | 14 kW |
| Power Supply | 50Hz |
| Operating Temperature Range (Cooling) | 46°C |
General safety guidelines before and during repair.
Specific warnings for handling R32 refrigerant.
General warnings and instructions for servicing the unit.
Details on power supply, current, and electrical specifications.
Electrical wiring diagrams for SWM and SHWM series models.
Overview of self-diagnosis codes and actions.
Detailed table for diagnosing abnormalities detected at power-on.
Troubleshooting for issues occurring while the unit is operating.
Common problems and solutions related to remote controller display.
Troubleshooting for operational problems like capacity loss.
Diagrams showing test points on various circuit boards.
Details on the functions of DIP switches for various settings.
