Service manual

6.1 TROUBLE CRITERION OF MAIN PARTS
MR-C375CC-A
MR-C375CL-A
MR-C405C-A
MR-C405CL-A
Compressor
Measure the resistance with a tester.
(Ambient temperature:Room temperature 15
o
C ~ 25
o
C)
Measure the resistance with a tester.
Open
Close
Opened (∞ Ω )
PTC Relay
PTH7M330MD2
Measure the resistance with a tester.
(Ambient temperature:Room temperature 15
o
C ~ 25
o
C)
Normal
As PTC Relay has been heated while refrigerator is running be sure
to measure the resistance after the thermistor has got cool enough.
33 Ω (Approx.)
Abnormal(faulty)
Opened (∞ Ω ) or Short (0Ω)
Rated input W
113/113.5(220/240V 50Hz)
Short (0Ω )
18.5 Ω (Approx.)
Normal
Main wiring
A
Starting current
chamber at the
rear side of
0.70/0.64(220/240V 50Hz)
A
7.78./8.55(220/240V 50Hz)
Rated current
Measure the resistance with a tester.(Ambient
temperature:Room temperature 15
o
C ~ 25
o
C)
69 +
9
o
C
Abnormal
(faulty)
5TM718MFBYY-53
Opened
(∞ Ω )
or
Short (0Ω)
120 + 5
o
C
Connected
Point
Normal
18.4 Ω (Approx.)
Auxilliary wiring
Run capacitor
4
µF
Rated input
Motor
protector
400VAC
Abnormal(faulty)
Model
the frame
the frame
In the control
panel of the rear
side at
compressor
room
Compressor in
the machine
chamber at the
rear side of
the frame
Model
Normal
Abnormal(faulty)
Less than 1Ω
rear side of
chamber at the
the machine
Compressor in
6
Components
/ Part Name
TROUBLE SHOOTING
Model
Parts
Mounted
Position
Check Method and Criterion
DHS66C10RAW
Compressor in
the machine
Auxilialy
wiring
Main
wiring
5
6
3
2
5
6
2
3
1
3
Therminal check point
11