Breakdown Self Diagnosis Function - Panasonic WH-MDC05J3E5 Service Manual

19.3 Breakdown Self Diagnosis Function

19.3.1 Self Diagnosis Function (Three Digits Alphanumeric Code)

When abnormality occur during operation, the system will stop operation, and OFF/ON control panel LED will
blink and error code will display on the control panel.

Even error code is reset by turning OFF power supply or by selecting ERROR RESET, if the system abnormality
is still unrepaired, system will again stop operation, and OFF/ON control panel LED will again blinks and error
code will be display.

The error code will store in IC memory.

To check the error code
- When an abnormality occurs, system will stop operation and OFF/ON control panel LED will blink.
- Error code of the abnormality will be display on the control panel.
- To determine the abnormality description, the error code table needs to be referred.
eg:

To display past/last error code
- Turn ON power supply.
- Refer below procedure to retrieve the error code history.

To permanently delete error code from IC memory
- Turn ON power supply.
- Refer below procedure to clear error history.
Press to select Close / Reset then press
Error number
Blinking
162