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-SHWM120YAA?
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| Brand | Mitsubishi Electric |
|---|---|
| Model | PUD-SHWM120YAA |
| Category | Heat Pump |
| Language | English |
Critical safety rules for unit servicing and maintenance.
Specific warnings and precautions for R32 refrigerant handling.
Safety checks and procedures for servicing R32 units.
Summary of self-diagnosis check codes and actions.
Detailed table for diagnosing abnormalities detected at power-on.
Common operational problems and their corresponding solutions.
Procedure for refrigerant collection before unit relocation or disposal.
