Panasonic cs-s9pkv, Service Manual

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12.14.1.11 Human Activity Sensor Abnormality

Abnormality detection:
 Connector disconnection / Wire cut abnormality
o
Sensor judge Hi level continuously for 25 seconds

Circuit abnormality
o
70 seconds after power ON, if infrared sensor judge Lo level continuously for 25 seconds

Error Code judgment
 When abnormality happened, internal counter increase by 1 time.
 Human activity sensor power OFF, retry after 5 seconds.
 When the human activity sensor maintains normal condition for 120 seconds, the counter reset or AC reset.
 When abnormality counter reached 4 times, H59 occurred – No TIMER indicator blinking.

When error code happened, the unit is able to operate without AUTO COMFORT / ECONAVI.
12.14.1.12 Human Activity Sensor Check Mode

To enable human activity sensor abnormality check mode:

During ECONAVI is ON, when CHECK signal received, if either sensors has abnormality, the 4 times abnormality
counter is ignored, ECONAVI Indicator will blink immediately and error code is memorized.

The unit could operate without ECONAVI or AUTO COMFORT.

The ECONAVI indicator blinking could be cancelled by pressing ECONAVI button again.

If the human activity sensor has no abnormality, the CHECK process will end and continue with normal operation.