Components/
Part Name
Check Method and Criterion
Parts Mounted
Position
35
MR-E55R-C MR-E60R-C
5-6 TROUBLE CRITERION OF MAIN PARTS
Compressor
Motor
protector
In the machine
chamber at the
rear side of the
frame
Black
Red
White
1
1
2
2
Contact point
Model
MM3-71CCV
100 ± 50 or more
Energize it at 17.0A, 25 for 16 seconds at the longest.
61±8 or less
Connected
point
Open
Close
Measure the resistance with a tester. (Ambient temperature: Room temperature)
Normal
Abnormal (faulty)
Less than 1
Open circuit (
0
)
In the machine
chamber at the
rear side of the
frame
Refrigerator
fan motor
In the fan grille
of the freezer
compartment
Model
UDQM002B3
DC brushless
10
150 (Mixed flow fan)
Number of poles
Diameter
Normal
Abnormal
(faulty)
Between and (GND and IC
Power): About 12k
Between and :
open circuit (
)
Between and :
short circuit (0 )
Measure the resistance with a tester. (Ambient temperature : Room temperature)
Between
and (Power and
IC Power):
1
1
2
3
4
2 3 4 : Pin No.
IC
IC Power
Power
FG
GND
Measure the resistance
with a tester.
Machine
chamber fan
motor
In the machine
chamber at the
rear side of the
frame
Measure the resistance with a tester. (Ambient temperature: Room temperature)
Normal
Abnormal (faulty)
Between and (GND and
Vcc): About 25k
Between
and :
open circuit (
)
Between and (Vs and Vcc):
Between and :
short circuit (0 )
4 3 2 1
Pin No.
Model
4715JL04WS16G51
Operation method
During compressor operation
Model
EFI100E13DHH
Rated input
W
45 (1620 rpm)
Starting current
A
4.0
Running current
A
0.69 (1620 rpm)
(For only 1 minute after startup)
Normal
Abnormal
(faulty)
Winding
(Black-White)
(White-Red)
(Red-Black)
12.4
(20 )
Open (
)
or
short circuit (0 )
