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13.16.1.10 Human Activity Sensor Abnormality
• Abnormality detection:
o Connector disconnection / Wire cut abnormality
Sensor judge Hi level continuously for 25 seconds
o Circuit abnormality
70 seconds after power ON, if human activity sensor judge Lo level continuously for 25 seconds
• Error Code judgment
o When abnormality happened, internal counter increase by 1 time.
o Human activity sensor power OFF, retry after 5 seconds.
o When the human activity sensor maintains normal condition for 120 seconds, the counter reset or AC reset.
o When abnormality counter reached 4 times, No TIMER indicator blinking.
• When error code happened, the unit is able to operate without AUTO COMFORT / ECONAVI.
13.16.1.11 Human Activity Sensor Check Mode
• To enable human activity sensor check mode, during ECONAVI operation ON:
• 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.
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