S02
Panasonic S02 Error Code – Indoor Coil Sensor Failure
Air Conditioner · HIGH Severity
What This Error Means
Indoor coil sensor failure
Diagnostic & Repair Steps
1
Power Reset
Turn off at breaker, wait 5 min, restart.
Turn off at breaker, wait 5 min, restart.
RESET
~5 min
2
Locate Indoor Coil Sensor
Find thermistor clipped to indoor coil.
Find thermistor clipped to indoor coil.
INSPECT
~10 min
3
Check Sensor Continuity
Refer to Panasonic service manual for specs. ⚠️ Disconnect power first
Refer to Panasonic service manual for specs. ⚠️ Disconnect power first
TEST
~15 min
4
Replace Sensor or PCB
Replace faulty sensor. If PCB fault, replace indoor board.
Replace faulty sensor. If PCB fault, replace indoor board.
REPLACE
~30 min
5
Contact Panasonic Support
Contact with model number and error details.
Contact with model number and error details.
CHECK
~5 min
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