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6-6 TROUBLE CRITERION OF MAIN PARTS
MR-G50J-NZ
Components/
Part Name
Compressor
White
Measure the resistance
with a tester.
Motor
protector
Measure the resistance with a tester. (Ambient temperature : Room temperature)
1
Refrigerator
fan motor
Measure the resistance with a tester. (Ambient temperature : Room temperature)
Machine
chamber fan
motor
Measure the resistance with a tester. (Ambient temperature : Room temperature)
1 2 3 4 : Pin No.
Check Method and Criterion
Model
Black
Rated input
Starting current
Running current
Red
Winding
(Black-White)
(White-Red)
(Red-Black)
Model
Open
Connected
Energize it at 17.0A, 25: for 16 seconds at the longest.
point
Close
Contact point
1
2
2
Model
Number of pole
Diameter
Between 1 and 4 (GND and IC
1
2 3 4 : Pin No.
Model
Number of pole
Diameter
Operation method
4
IC Power
3
Power
2
FG
1
GND
IC
ETI100E13DAH
W
45/159 (1620/4800rpm)
A
A
0.03/2.19 (1620/4800rpm)
Abnormal
Normal
Open (∞
9.3 '
(20:)
short circuit
MM3-71CCV
100 ±50 : or more
61±8: or less
Normal
Less than 1'
UDQM002B3
DC brushless
10
{150 (Mixed flow fan)
Normal
'
Power): About 12 k
Between 3 and 4 (Power and
IC Power): ∞
'
4
IC Power
3
Power
2
FG
1
GND
IC
UDQM004B3
DC brushless
10
{140 (Extra fan)
During compressor operation
Normal
Between 1 and 4 (GND and IC
'
Power): About 9 k
Between 3 and 4 (Power and
IC Power): ∞
'
26
Parts Mounted
In the machine
chamber at the
rear side of the
frame.
2.0
(faulty)
'
)
or
'
(0
)
In the machine
chamber at the
rear side of the
frame.
Abnormal (faulty)
Open circuit (∞' )
In the fan grille
of the freezer
compartment.
Abnormal
(faulty)
Between 1 and 4
'
: open circuit (∞
)
Between 3 and 4
'
:short circuit (0
)
In the machine
chamber at the
rear side of the
frame.
Abnormal (faulty)
Between 1 and 4
'
: open circuit (∞
)
Between 3 and 4
'
:short circuit (0
)
Position
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