| Alarm Code | F31 |
|---|
| Alarm meaning |
Outdoor unit non-volatile memory (EEPROM) trouble |
| Alarm conditions |
- Non-volatile memory is not present when power initialization occurs.
- Read values do not match after writing to non-volatile memory is complete.
|
| Probable cause |
- Memory was not inserted after the PCB was replaced.
- The lifetime of the non-volatile memory has been reached.
- Non-volatile memory is installed incorrectly (wrong direction, bent pins, etc.).
|
| Check |
Check the non-volatile memory on the PCB. |
| Correction |
– |
| Example |
– |
| Notes |
– |
