CHECK AND TEST 1

Step 1

Unscrew cover of
mainboard with a
Cross-head screwdriver.

Step 2

In mainboard area, check
if terminal is inserted to
final position.
If not, reinserted to final
position.

Step 3

Set multimeter to
resistance gear. 

Step 4

Test resistance of sensor
from terminal in PCB
area.

Step 5

Take note of the value.

Step 6

Measure the temperatureof freezer temp. sensor.
Find out standard resistance of freezer
temperature sensor under measured temperature in Resistance Chart for
Sensor.

DIAGNOSIS 1


PROCEDURE 1


Step 1

Remove temp. sensor
cover.

Step 2

Cut down the head of
temp. sensor.

Step 3

Prepare a new temp.
sensor and cut down the
head.

Step 4

Peel off the sleeves. 

Step 5

Check to ensure proper
wire order and reconnect them.

Step 6

Tin soldering.

Step 7

Cover connecting point
with electrical tape. 

CHECK AND TEST 2


CASE 1:
METAL DOOR


PROCEDURE 2



Step 1

Push a 6mm sucker onto display and turn
the knob to strengthen suction force.

Step 2

Attach strap to knob to facilitate pulling out
display board.

PROCEDURE 3


Tip 1

After connecting terminal, please tape
wires in place to prevent crushing by the cover.

Tip 2

After inserting display
into cavity, press edge
until you hear a clicking
sound, this means the
board is pushed properly
into final position.
Please press all
buttons on display
board to make sure
display functions
properly.


CASE 2:
GLASS DOOR


PROCEDURE 2



Step 1

Lever off the cover on
door cap.

Step 2

Remove the screws (in
total 2).

Step 3

Pull out the plastic;

Step 4

Disconnect the terminal
for display panel.

Step 5

Remove tape.

Step 6

Push display out by the
corner.

PROCEDURE 3


Tip 1

Please press all buttons on display board to verify if it is working properly.
Make sure all words and icons are clear.

Tip 2

If not clear, disassemble
and put tape on points
indicated by red circles.

CHECK AND TEST 3


PROCEDURE 4


Step 1

Unscrew cover of
mainboard with a
Cross-head screwdriver.

Step 2

Disconnect terminals.

Step 3

Prize off earthing wires.

Step 4

Unscrew the mainboard.

Step 5

Prize off the buckle to
remove mainboard.

PROCEDURE 5


CHECK AND TEST 4


CHECK AND TEST 5


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