CHECK AND TEST 1

Step 1

From Mainboard area, test resistance of ambient temperature sensor. 

Step 2

Measure sensor temperature. 

DIAGNOSIS 1


CHECK AND TEST 2

Step 1

Cut off the sensor. 

Step 2

Strip off the sleeves. 

Step 3

Connect the 2 ends in PCB area with wire. 

Step 4

Test the connection. 

PROCEDURE 1



Step 1

Strip off the wires of sensor. 

Step 2

Connect wires of new sensor to wires on cabinet. 

Step 3

Tin soldering.

Step 4

Cover connection with electrical tape. 

DIAGNOSIS 2


PROCEDURE 2


Step 1

Unscrew cover of mainboard with a Cross-head screwdriver. 

Step 2

Pull out the buckle to take out wires. 

Step 3

Unscrew the mainboard. 

Step 4

Disconnect terminals. 

Step 5

Pull out the buckle to remove mainboard.


Reverse above steps to install a new board. 

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