CHECK AND TEST 1
Step 1
Unscrew cover of mainboard with a Cross-head screwdriver.
Step 2
Measure resistance of heater from terminal in PCB area.
Step 3
Check the result.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Remove all freezer drawers.
Step 2
Remove all freezer shelves.
Step 3
Remove screw covers (total of two) on upper freezer air duct with Slotted Screw Driver.
Step 4
Unscrew screws (total
of two) on upper freezer
air duct with Cross-head
screw driver.
Step 5
Catch bottom of air duct upper freezer air duct and pull all buckles (total of 8) down.
Step 6
Take out upper freezer
air duct by tilting to one
side.
Pay attention to the
connectors when pulling
out the air duct.
Step 7
Disconnect the terminal for fan motor and move upper freezer air duct away.
Step 8
Disconnect the terminal for fan motor and move upper freezer air duct away.
Step 9
Unscrew the screw on bottom freezer air duct with Cross-head screw driver.
Step 10
Catch bottom of air duct
bottom freezer air duct
and pull all buckles
(total of 10) down.
Step 11
Take out the lower air duct, tilting to one side.
CHECK AND TEST 2
Step 1
Check if terminal (C) is inserted to final position.
If not, re-insert it.
Step 2
Disconnect the terminal for defrost heater.
Step 3
Check if the terminal is filled with foam.
Step 4
Measure the resistance of heater from terminal in freezer.
Step 5
Assess the result.
DIAGNOSIS 2
PROCEDURE 2
Step 1
Use screwdriver to remove the heat conductor (if any).
Step 2
Use 6mm cross-head screwdriver to unscrew the defrost heater.
Step 3
Cut off the fastening straps.
Step 4
Tear off Polyethylene sealing foam.
Step 5
Loosen the fastening clips for heater.
Step 6
Remove the heater, reverse above process to reinstall the new heater.
WARNING:
Be careful not to
deform pipes in
red square during
steps 5 and 6.
PROCEDURE 3
Tip 1
Do not injure the wires of the heater while installing the new heater.
CHECK AND TEST 3
Step 1
Set multimeter to resistance gear.
Step 2
Use multimeter to check whether wire connections in foam are good or not.
DIAGNOSIS 3
CHECK AND TEST 4
Step 1
Reconnect terminals for defrost heater.
Step 2
Power on the appliance and start manual defrost.
a) Press Freezer Temp. button together with Mode button for 5 sec, 0 flashes in freezer temp. area.
b) Press Freezer Temp. button, 1 and 3 will appear in freezer temperature area.
c) When 3 appears, remove finger and select manual defrost.
Note
1 means:
start forced cooling.
3 means:
start manual defrost.
Step 3
Put your hand close to
defrost heater.
WARNING !!!
DO NOT TOUCH
DEFROST HEATER
DIAGNOSIS 4
Note
PROCEDURE 4
Tip 1:
When restoring the upper freezer air duct, fasten the wires to avoid crushing them with air duct.
Tip 2:
All buckles should be pushed into proper final position. If not, please repeat installation.
