Panasonic CS-Z20TKR Service Manual page 101

14.14.2.5 Sunlight Sensor Check Mode

To enable sunlight sensor check mode, during unit is OFF (power standby):
ON
OFF
TEMP
ON
OFF
TEMP
ON
OFF

Operation details
The sunlight sensor check mode will be operated for 5 minutes.
o
During check mode, the ON and OFF timer will be memorized but it operation be ignored.
o
During check mode, if the sunlight sensor check code is retransmitted, the 5 minutes counter will be reset.
o
During check mode, if sunlight sensor detected the sunlight intensity value above minimum level, the
o
ECONAVI indicator turns ON. Else if sunlight sensor detected sunlight intensity value below minimum level,
the ECONAVI indicator is OFF.

To disable sunlight sensor check mode
After check mode is ended (5 minutes counter elapsed), press AUTO OFF/ON button at indoor unit.
o
If the sunlight sensor detected sunlight intensity is at abnormal range, the check mode will be ended.
o
Please check for error code.
14.14.2.6 Sunlight Sensor Abnormality

Abnormality detection:
When ECONAVI is ON, if the sunlight intensity value below minimum level continuously for 24 hours, the
o
sunlight sensor disconnection error counter will increase by 1 time. If the ECONAVI is OFF, the 24 hours
timer will be reset, but the sunlight sensor disconnection error counter will not be reset.

Error Code judgment
When sunlight sensor disconnection error counter reached 15 times. H70 occurred.
o
No TIMER indicator or ECONAVI indicator blink.
o

When error code happened, the unit is able to operate without sunlight sensor.
Remote control normal mode
Press continously for 5s
SET
iAUTO-X
SET
TEMP
iAUTO-X
SET
TEMP
iAUTO-X
SET
Transmit ECO demo code
and after 30 seconds return to normal
mode.
Transmit sunlight sensor check code
and after 30 seconds return to normal
mode.
Transmit check code
and after 30 seconds return to normal
mode.
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