Mitsubishi Electric MR-FT35EH-SW-C, Руководство по обслуживанию

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In fan grille of the
freezer compartment.
Measure the resistance with a tester.(Ambient temperature:Room temperature 15
o
C ~ 25
o
C)
In the drip tray under
the evaporator of the
Measure the resistance with a tester.
freezer compartment
(Ambient temperature:Room temperature 15
o
C ~ 25
o
C)
Resistance measured under
Defrost thermistor
the ambient temperature from (kW)
at the muffler
-50: to +50:
of evaporator
in freezer compartment.
1. 200" to 500k"
............normal
Freezer thermistor at
2. Out of the above range
fan grille of freezer
............abnormal
compartment.
Out air thermistor
under hinge cover
Thermistor Check Procedure
Thermistor resistance will vary
with the change of temperature.
Take the temperature around the thermistor,
and then measure resistance using a tester.
The relation of resistance and temperature is as shown on
the above graph.
Thermistor
MR-FT35EH
MR-FT46EH,FT51EH
331Ω (Approx.)
353Ω (Approx.)
Defrost
Heater
DC brushless
Model
Type
Model refrigerator
Rated input
Operation method
Abnormal (faulty) Normal
Between 3 - 1 (GND
and Vcc): About 12kW
MR-FT35EH MR-FT46EH,FT51EH
Normal
Refrigerator
fan motor
Check Method and Criterion
Parts Mounted Position
Components/
Part Name
FBA12J12VXC
Between 3-1 : open( ¥ W )
or
between 3-4 : short ( 0 W)
150 W (110V) 160 W (110V)
Power ON after defrosting (14 ± 1.5ºC or more)
Abnormal (faulty)
Opened ( ∞ Ω )
R
es
is
ta
nc
e
-20
20 30
-10 0 10
30
20
15
10
5
0
25
35
Thermistor resistance valves against
temperature
Temperature
Outside air thermistor
Freezer
thermistor,
Defrost
thermistor
Inner
thermistor
13