CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a
Cross-head screwdriver.
Step 2
Remove the mainboard
cover.
Step 3
Check if terminal is pushed into final position.
If not, push terminal into final position.
Step 4
Check if terminal is filled with foam.
If so, use tweezers to remove foam.
Step 5
Measure resistance of heater from terminal in PCB area.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Pull out the drawers.
Step 2
Take out the shelves.
Step 3
Unscrew the 4 screws.
Step 4
Hold the bottom of air duct and pull it out.
Step 5
Disconnect the terminal of fan motor.
Step 6
Remove air duct.
CHECK AND TEST 2
Step 1
Check if terminal is pushed into final
position.
Step 2
Check if the terminal is full of foam.
If so, use tweezers to remove.
Step 3
Measure the resistance of heater.
DIAGNOSIS 2
PROCEDURE 2
Step 1
Use scissors to cut off the cable tie.
Step 2
Disconnect the terminals of heater and fuse.
Step 3
Use 6mm cross-head screwdriver and unscrew on left and right.
Step 4
Lift evaporator and heater up 20mm, the
bottom must be higher than edge of trough.
WARNING:
Pipes in the red box must not be
deformed during step 5.
Step 5
Unfasten the heater. There is a total of 4 clips.
Step 6
Remove the heater.Reverse above steps to reinstall heater.
CHECK AND TEST 3
Step 1
Check connection of fuse.
CHECK AND TEST 4
Step 1
Use a wire to connect the 2 ends of heater wires.
Step 2
Test connection from terminal on inner line of
freezer.
Tip 1
Before installing the air duct, please tie all wires
together.
Tip 2
fan well.
Tip 3
Insert left side first, then other side. Make sure
the cavity on the side is aligned with the ribs on
inner liner.
Tip 4
Check to see if there is a wide gap between air
duct and cabinet. If so, install air duct again.
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