Sensor Input Voltage Low CCB1

Low sensor voltage on Compartment Control Board 1 (CCB1).

Possible causes

Overload on the 5V sensor line
Moisture in CCB1 connectors
Deficient main power supply

Recommended actions

Measure sensor supply voltage on CCB1
Inspect C1 sensors for short circuits
Dry and clean connectors if moisture is present
Verify power source stability

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