Panasonic CS-E7PKR Service Manual page 98

13.13.4.3 Judge Ambient Condition
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According to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny,
cloudy or night.
13.13.4.4 Temperature Shift
13.13.4.5 Sunlight Sensor Check Mode
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To enable sunlight sensor check mode, during unit is OFF (power standby):

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.
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During check mode, if the sunlight sensor check code is retransmitted, the 5 minutes counter will be reset.
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During check mode, if sunlight sensor detected the sunlight intensity value above minimum level, the
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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.
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If the sunlight sensor detected sunlight intensity is at abnormal range, the check mode will be ended.
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Please check for error code.
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