Panasonic CS-NE12PKE, Service Manual, Page: 45 / 109

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12.12.1.6 Sunlight Sensor Abnormality
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Abnormality detection:
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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.
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Error Code judgment
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When sunlight sensor disconnection error counter reached 15 times, H70 occurred.
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No TIMER indicator or ECONAVI indicator blinks.
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When error code happened, the unit is able to operate without sunlight sensor.