CHECK AND TEST 1

Step 1

Unscrew with cross head
screw driver.

Step 2

Remove the mainboard
cover.

Step 3

Press SW101 button to
start auto test.

Step 4

After 40 minutes, test
output of heater.

Step 5

Record the result.
The value should be
230V.

DIAGNOSIS 1


PROCEDURE 1


Step 1

Unscrew with cross head
screw driver.

Step 2

Remove the mainboard cover. 

Step 3

Disconnect the terminals.

Step 4

Loosen the buckle.

Step 5

Take out mainboard.

Reverse above steps to
install a new board.

CHECK AND TEST 2

Step 1

Heat fridge temp. sensor.

Step 2

Use multimeter to test
the voltage of output for
“FAN+” & “FAN-”.

Step 3

Record the result.
The value should be 230V.

DIAGNOSIS 2

CHECK AND TEST 3

Step 1

Heat fridge temp. sensor.

Step 2

After plugging in to
start compressor, open
freezer door to check if
fan is running or not.

DIAGNOSIS 3

CHECK AND TEST 4

Step 1

Press SW101 button to
start auto test.

Step 2

After 40 minutes, test
output of heater.

DIAGNOSIS 4

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