CHECK AND TEST 1
From mainboard area, test resistance of ambient temperature sensor.
Measure sensor temperature.
DIAGNOSIS 1
CHECK AND TEST 2
Step 1
Cut off the sensor.
Step 2
Strip off the sleeves.
Connect the 2 ends in PCB area with wire.
Test the connection.
DIAGNOSIS 2
PROCEDURE 1
Strip wires to sensor.
Connect wires for new sensor to wires on cabinet.
Tin soldering.
Cover connection with electrical tape.