Poor cooling
36
Contact failure of
connector.
Connect it properly.
Poor defrosting
[5]
The refrigerator fan motor does not work
[6]
No
No
Yes
Yes (heats up)
Check the following and explain the
result: half-open door, gap between
gaskets, the amount of ice.
Replace the defrost heater-2 and the
thermal fuse.
Check the resistance of the defrost
thermistor.
*1 The compulsory defrosting will not
work when the temperature of
the defrost thermistor is 14°C or
more.
Control board
CN9S
CN4A
CN3A
6-pin connector
Thermal fuse
1-pin connector
1-pin connector
4-pin connector
6-pin connector
Drain pipe heater
Defrost heater-1
Defrost thermistor
Defrost heater-2
Check if the connector on
the door switch is connect-
ed properly. If it is, replace
the door switch.
Abnormal
Normal
Interior LED
is not turned
on and off.
Interior LED is turned on and off properly.
Door of refrigerator
compartment
Door of
versa
compartment
Door of ice
making
compartment
Door of freezer
compartment
No
Not rotating
No
continuity
Connect the connectors properly.
Continuity detected
Replace the refrigerator fan motor.
4-pin connector
Refrigerator
fan motor
CN9S
CN5D
Reed switch board
4-pin connector
M
Versa compartment
door switch
2-pin connector
Freezer compartment
door switch
2-pin connector
Vegetable compartment
door switch
Refrigerator compartment
door switch
Ice making compartment
door switch
Control board
2
Unplug and plug the power cord and check wheth-
er the refrigerator fan is rotating.
3
2
Check that there is continuity between thermal fuse
and defrost heater-2.
4
Check the continuity by
disconnecting the CN9S
on the control board.
1
<Control board>
Compulsory defrosting
Short circuit
CN7M
5
1
Short-circuit the terminals and of the compulsory
defrosting terminals (CN7M) on the control board to actuate
the compulsory defrosting function and check whether the
defrost heater is working properly.
*1
1
Check the door switch for continuity.
• Open and close the refrigerator door several times and
check that the interior LED will be turned on and off (interior
LED should get turned off when the door comes 10 mm
close to the refrigerator body .)
• Close the refrigerator compartment door until the LED is
turned off . Open and close the ice making compartment
door , and from the space of refrigerator compartment
door, check that the interior LED is turned on and off.
Perform the self check. Check whether any error is dis-
played.
Check whether the connector CN5D, CN9S on the control board and the 4-pin wire to
wire connector for the fan motor on the ice making compartment are properly connected.
Yes
Note:
Replace the fan grille as the
refrig-
erator fan motor
is integrated in it.
OAH162
