To Next PageTo Next PageWhat to do if the trouble is not reoccurring and it is not logged in Mitsubishi Electric Heat Pump?
If a trouble with your Mitsubishi Electric Heat Pump is not reoccurring and is not logged, re-check the abnormal symptom. Conduct troubleshooting and ascertain the cause of the trouble. If you can't find the cause, continue to operate the unit for the time being.
What to do if the trouble is reoccurring and it is not displayed on Mitsubishi Electric PUHZ-HW140YHA?
If a trouble with your Mitsubishi Electric Heat Pump is reoccurring but not displayed, conduct troubleshooting to identify the cause of the problem.
What to do if the Mitsubishi Electric Heat Pump trouble is not reoccurring and is logged?
If a trouble with your Mitsubishi Electric Heat Pump isn't reoccurring but is logged, consider temporary defects such as the operation 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, weather conditions when the issue occurred, and wiring. After servicing, reset the check code logs and restart the unit. This indicates there's no abnormality in the electrical components or controller board.
How to handle a Mitsubishi Electric Heat Pump trouble that is not reoccurring and not logged?
If the trouble with your Mitsubishi Electric Heat Pump is not reoccurring and is not logged, re-check for the abnormal symptom. Conduct troubleshooting to ascertain the cause of the trouble. If the cause isn't clear, continue operating the unit for the time being. This suggests there are no abnormalities concerning parts like the electrical components or controller board.
What to do if trouble is not reoccurring and it is logged in Mitsubishi Electric PUHZ-HW140YHA?
If a trouble with your Mitsubishi Electric Heat Pump is not reoccurring but is logged, it could be due to temporary defects. This might include the activation of protection devices in the refrigerant circuit, a poor wiring connection, or electrical noise. To address this, re-examine the specific issue, inspect the installation environment, check the refrigerant level, consider the weather conditions when the problem occurred, and review the wiring. After servicing, clear the error code logs and restart the unit.
What to do if the trouble is reoccurring and it is displayed on Mitsubishi Electric PUHZ-HW140YHA Heat Pump?
If a trouble with your Mitsubishi Electric Heat Pump is reoccurring and it is displayed, you should assess the situation to determine the issue and then implement the appropriate corrective measures as detailed in the “8-3. Self-diagnosis action table”.
General| Type | Air-to-water heat pump |
|---|---|
| Series | PUHZ-HW |
| Cooling Capacity (kW) | 14.0 |
| Heating Capacity (kW) | 16.0 |
| Power Source | Electric |
| Refrigerant | R410A |
General safety rules for handling electrical components and refrigerant.
Specific safety precautions for R410A refrigerant, including tool usage.
Guidelines for power supply wiring, including cable size and insulation.
Pre-test run checks for installation, grounding, and power supply.
Table for interpreting self-diagnosis check codes and taking corrective actions.
Steps for removing the compressor and power receiver, including refrigerant recovery.
