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| Brand | Mitsubishi Electric |
|---|---|
| Model | PUD-SHWM80VAA |
| Category | Heat Pump |
| Language | English |
General safety precautions before and during repair services.
Specific cautions for using R32 refrigerant and related tools.
General warnings and guidelines for servicing the unit.
Specific cautions to follow during service operations.
Detailed cautions for units utilizing R32 refrigerant.
Summary of self-diagnosis check codes and actions.
Table detailing abnormalities detected on power on and their causes/judgments.
Lists abnormalities detected during unit operation.
Lists common phenomena and their troubleshooting steps.
Guides for checking specific components like thermistors and motors.
Diagrams of circuit boards with labeled test points.
Details the functions of various switches and jumpers.
Explains how to interpret LED indicators and check codes for abnormalities.
