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

Components/
Part Name
Vegetable
compartment
heater 1
Vegetable
compartment
heater 2
Water pipe
heater
Check Method and Criterion
Measure the resistance with a tester. (Ambient temperature : Room temperature)
Operation method
Measure the resistance with a tester. (Ambient temperature : Room temperature)
Operation method
Normal Abnormal (faulty)
8.9k (Approx.) Open circuit ( )
The heater is turned on when vegetable compartment
thermistor has reached a lower temperature than the set
temperature for vegetable compartment.
Measure the resistance with a tester. (Ambient temperature : Room temperature)
Operation method
Normal Abnormal (faulty)
6.6k (Approx.) Open circuit ( )
When ice-making thermistor has reached approx. 10 or
below, the heater is turned on with energizing rate adjusted
by the set temperature of refrigerator compartment and
freezer compartment.
36
Normal Abnormal (faulty)
4.4k (Approx.) Open circuit ( )
The heater is turned on when vegetable compartment
thermistor has reached a lower temperature than the set
temperature for vegetable compartment.
Parts Mounted
Position
Defrost heater
Rated input W
Operation method
177
The heater is energized while defrosting.
(Defrosting is finished when the evaporator is 14± 1.5 or more)
At the drip tray
under the evaporator
of the
freezer
Measure the resistance with a tester. (Ambient temperature : Room temperature) compartment.
Normal Abnormal (faulty)
325
(Approx.)
Open circuit ( )
In the fan grille
at the back of
vegetable
compartment.
In partition V/F.
Under the water
tank holder.