SERVICE MANUAL MR-G57N-T-NZ - B.d.t.

Versa compartment/ Ice making compartment
[7]
only applies to versa compartment. Excessive cooling
It is set to
"Refrigerator" or
"Chilled".
Only the food around
cool-air outlet is excessively
cooled.
No
Control board
Yes
Make the operation of
motor damper (for versa
compartment)
visible, and conduct ice
making test. Check that
the baffles open and
close.
(Wait 1 minute for selfcheck.)
(See “• Self-check and
error display method and
operation, Ice making
test operation” on page
21.)
Which operation mode is
versa compartment set to?
Normal
Not frosted
CN4D
CN7S
CN9D
Is the
temperature
set to “Low”?
Yes
The baffles
do not function
Is the motor damper covered with frost?
Set the temperature
to “Low”.
Disconnect CN9D and measure
the resistance between
and , and between and .
Check that the winding of motor
damper (for ice making compartment/
versa compartment) has a
resistance of approx. 415
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 (white) and (white).
•Resistance at 0 : Approx. 6~7k
Check the ice making compartment thermistor.
It is set to “Soft freezing”.
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 (white) and (white).
•Resistance at 0 : Approx. 6~7k
No
Keep food away from
air outlet in storing food.
Is connector CN9D on
control board connected
properly?
Frosted
6-pin connector
6-pin connector
33
Yes
Does cool air come out
of air outlet when opening
the refrigeratorcompartment
door and
attaching a magnet bar
on the door switch?
Yes
Normal
6-pin connector
M
No
M
Versa
compartment thermistor
No cooling; poor cooling
Which operation mode is versa compartment set to?
It is set to
“Refrigerator” or
“Chilled”.
Is the temperature
set to “High”.
Yes
1
Connect the connector
properly.
Ice making
compartment
thermistor
Motor damper
(versa compartment)
Motor damper
(for refrigerator compartment/
ice making compartment)
Refer to the section:
“The refrigerator fan
motor does not work”.
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.)
Defective thermistor Replace the versa
compartment thermistor.
Defective thermistor
No
It is set to “Soft freezing”.
No
Set the temperature to “High”.
Check the set temperature in freezer compartment.
Is the temperature set to “High”?
No
No
Yes
Replace the motor damper (for versa compartment)
Replace the fan grille as well as the motor
damper because they are combined together.
Repair the frosted part.
Replace the ice making
compartment thermistor.
1
Set the temperature to
“High”.
Refrigerator
compartment
Ice
making
compartment
It is set to “Freezer”.
Versa
compartment
Attach a
magnet bar
here.