Panasonic cs-s9pkv, Service Manual

Page: 83 / 152

83
12.14.2.5 Sunlight Sensor Check Mode

To enable sunlight sensor check mode, during unit is OFF (power standby):

Operation details
o
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
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
o
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.
Please check for error code.
12.14.2.6 Sunlight Sensor Abnormality

Abnormality detection:
o
When ECONAVI is ON, if the sunlight intensity value below minimum level continuously for 24 hours, the
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
o
When sunlight sensor disconnection error counter reached 15 times. H70 occurred.
o
No TIMER indicator or ECONAVI indicator blink.

When error code happened, the unit is able to operate without sunlight sensor.