Breakdown Self Diagnosis Function - Panasonic CS-Z25UD3EAW Service Manual

18.2 Breakdown Self Diagnosis Function

18.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)

Once abnormality has occurred during operation, the unit will stop its operation, and OFF/ON operation LED OFF.

OFF indicator does not shown on remote control display.

In operation after breakdown repair, the last error code abnormality will be stored in EEPROM.

To make a diagnosis
1. OFF/ON operation LED OFF and the unit automatically stops the operation, but the OFF indicator does not
shown.
2. Press CHECK button continuously for 5 seconds.
3. "- -" will be displayed on the remote controller display.
4. Press timer ▲ or ▼ button on the remote control. The error code "H00" (no abnormality) will be displayed.
5. Every press of the button (▲ or ▼) will increase the error code number.
6. When the displayed error code matches the unit's error code, OFF/ON operation LED will be ON
continuously.
7. The breakdown diagnosis mode will be cancelled by pressing CHECK button continuously for 5 seconds or
wait for 30 seconds

AC Reset button
When AC Reset button is pressed, the error code
will be reset so that the unit will be able to operate
and recheck if any error occurred.

To display memorized error status:
1 Turn ON the power supply.
2 Press CHECK button continuously for 5 seconds.
3 "- -" will be displayed on the remote controller display.
4 Press timer ▲ or ▼ button on the remote control. The error code "H00" (no abnormality) will be displayed.
5 Every press of the button (▲ or ▼) will increase the error code number.
6 When the displayed error code matches the unit's error code, OFF/ON operation LED will be ON
continuously.
7 The breakdown diagnosis mode will be cancelled by pressing CHECK button continuously for 5 seconds or
wait for 30 seconds.
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