25
only applies to versa compartment.
Excessive cooling
V
ersa compartment/ Ice making compartment
[7]
No cooling; poor cooling
Set the temper-
ature to “Low”.
Yes
No
Refer to the section:
“The refrigerator fan
motor does not work”.
Not frosted
The baffles
do not function
Control board
CN7S
CN9D
8-pin connector
4-pin connector
6-pin connector
Versa
compartment
thermistor
Ice making
compartment
thermistor
M
Motor damper
(for ice making
compartment/
versa compartment)
3
2
4
1
4
7
5
4
7
5
3
2
4
1
9
8
9
8
6
5
4
3
2
1
6
5
4
3
2
1
1
3
1
3
Only the food around
cool-air outlet is exces-
sively cooled.
Does cool air come out
of air outlet when open-
ing the refrigerator-
compartment door and
attaching a magnet bar
on the door switch?
Make the operation of
motor damper (for ice
making compartment/
versa compartment)
visible, and conduct ice
making test. Check that
the baffles open and
close.
(Wait one minute for self-
check.)
(See “• Self-check and
error display method and
operation,
1
Ice making
test operation” on page
14.)
Connect the connector
properly.
No
Disconnect CN9D and measure
the resistance between
1
and
2
, and between
3
and
4
.
Check that the winding of motor
damper (for ice making compart-
ment/ versa compartment) has a
resistance of approx. 415
"
0
"
or
∞
"
Is 6-pin connector which is in connector cover
on the back of versa compartment connected
properly?
(6-pin connector is connected to motor damper.
Refer to the figure below.)
Refrigerator
compartment
Versa
compart-
ment
Ice
making
compart-
ment
Attach a
magnet bar
here.
w
1
Defective thermistor
Replace the versa
compartment thermistor.
Check the versa compartment thermistor.
Dip the versa compartment thermistor into the ice water
(0
:
) and disconnect 6-pin connector for fan grille at the
back of versa compartment. Measure the resistance
between terminal
3
(white) and
6
(white).
•
Resistance at 0
:
: Approx. 6~7k
"
Defective thermistor
Check the ice making compartment thermistor.
Dip the ice making compartment thermistor into the ice
water (0
:
) and disconnect 6-pin connector of fan grille
at the back of ice making compartment. Measure the
resistance between terminal
1
(white) and
4
(white).
•
Resistance at 0
:
: Approx. 6~7k
"
Is the motor damper covered with frost?
Frosted
Repair the frosted part.
Replace the motor damper (for ice making com-
partment/ versa compartment)
ww
Replace the fan grille as well as the motor
damper because they are combined together.
Normal
Yes
No
Yes
Is connector CN9D on
control board connected
properly?
It is set to
“Vegetable •
Refrigerator” or
“Chilled”.
Keep food away from
air outlet in storing food.
Is the
temperature
set to “Low”?
Which operation mode is
versa compartment set to?
It is set to “Soft freezing”.
Set the temperature to
“High”.
Set the temperature to “High”.
Which operation mode is versa compartment set to?
Check the set temperature in freezer com-
partment. Is the temperature set to “High”?
Is the tempera-
ture set to “High”.
It is set to “Soft freezing”.
It is set to “Freezer”.
It is set to ,
“Vegetable •
Refrigerator” or
“Chilled”.
Yes
No
No
No
Yes
No
Yes
w
1
Normal
Replace the ice making
compartment thermistor.
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Summary of Contents for MR-G50J-SS-NZ
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