To Next PageTo Next PageWhat to do if Mitsubishi Electric PUZ-A24NHA7 trouble is reoccurring?
If the trouble with your Mitsubishi Electric Air Conditioner is reoccurring, assess the problem and take corrective action as outlined in the “9-3. SELF-DIAGNOSIS ACTION TABLE”. Also, perform troubleshooting to identify the cause of the issue, referring to “9-4. TROUBLESHOOTING OF PROBLEMS”.
What to do if Mitsubishi Electric Air Conditioner trouble is not reoccurring and not logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and not logged, re-check the abnormal symptom. If the cause isn't clear, continue operating the unit for the time being. Also, conduct troubleshooting and ascertain the cause of the trouble according to “9-4. TROUBLESHOOTING OF PROBLEMS”. There is no abnormality concerning of parts such as electrical component, controller board, remote controller, etc.
What to do if Mitsubishi Electric Air Conditioner trouble is not reoccurring and logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring but is logged, consider temporary issues like protection device activity in the refrigerant circuit including compressor, loose wiring, or electrical noise. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the trouble occurred, matters related to wiring, etc. After finishing service, reset the error code logs and restart the unit. There is no abnormality in electrical component, controller board, remote controller, etc.
General| Type | Heat Pump |
|---|---|
| Seasonal Energy Efficiency Ratio (SEER) | 17.0 |
| Power Supply | 208 / 230 V, 1 Phase, 60 Hz |
| HSPF | 9.0 |
| Phase | 1 |
| Refrigerant | R410A |
| Sound Level (dB(A)) | 49 |
| Energy Efficiency Ratio (Cooling) | 3.5 |
General guidance on identifying and addressing recurring and non-recurring troubles.
Essential checks to perform before initiating a test run of the unit.
Guide on accessing and interpreting the self-diagnosis function for error codes.
Step-by-step instructions for performing self-diagnosis using the remote controller.
Table of abnormalities detected at power-on and corresponding troubleshooting actions.
Common operational problems and their solutions, categorized by phenomena.
Troubleshooting steps for when the "PLEASE WAIT" message persists on the remote controller.
Diagnostic flow and causes for a blank remote controller display, checking unit LEDs.
Further diagnostic steps for a blank remote controller display, checking unit LEDs and refrigerant address.
Additional troubleshooting for a blank remote controller display, focusing on voltage and LED status.
Common customer calls and responses when the unit fails to operate at all.
Troubleshooting steps for blower issues, including fan speed and airflow direction problems.
Explanations for airflow direction changes during cooling and heating operations.
Diagnostic steps to check the outdoor controller circuit board for proper functionality.
Further diagnostic procedures for the outdoor controller circuit board.
Steps to diagnose and check the power circuit board for faults.
Lists error codes and their corresponding LED patterns for troubleshooting.
