Filter
Top Products
26
MR-G50J-NZ
6-6 TROUBLE CRITERION OF MAIN PARTS
Components/
Part Name
Compressor
Motor
protector
Check Method and Criterion
Parts Mounted
Position
In the machine
chamber at the
rear side of the
frame.
Black
Red
White
1
1
2
2
Contact point
Model
ETI100E13DAH
45/159 (1620/4800rpm)
2.0
0.03/2.19 (1620/4800rpm)
Rated input
Starting current
Running current
W
A
A
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 (∞' )
Abnormal
(faulty)
Winding
(Black-White)
(White-Red)
(Red-Black)
9.3 '
(20
:
)
Open (∞' )
or
short circuit
(0' )
Normal
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 pole
Diameter
Normal
Abnormal
(faulty)
Between 1 and 4 (GND and IC
Power): About 12 k'
Between 1 and 4
: open circuit (∞' )
Between 3 and 4
:short circuit (0' )
Measure the resistance with a tester. (Ambient temperature : Room temperature)
Between 3 and 4 (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.
Model
UDQM004B3
DC brushless
10
{140 (Extra fan)
During compressor operation
Number of pole
Diameter
Operation method
Measure the resistance with a tester. (Ambient temperature : Room temperature)
1 2 3 4 : Pin No.
1
2
3
4
IC
IC Power
Power
FG
GND
Normal
Abnormal (faulty)
Between 1 and 4 (GND and IC
Power): About 9 k'
Between 1 and 4
: open circuit (∞' )
Between 3 and 4 (Power and
IC Power): ∞
'
Between 3 and 4
:short circuit (0
' )
OA090-1.qxp 06.7.20 9:55 AM Page 26