Samsung SRG-V57 - Diagnosing the Main Components

3 6 Samsung Electronics
12-5 Diagnosing the main components
C o m p o n e n t s
C o m p r e s s o r
• Use the tester to measure the
r e s i s t a n c e .
– Bring the component to cool down
completely before measuring.
P.T.C Relay
C o n d e n s e r
Overload relay
Freezer compartment
circulation Fan motor
Rotating blade motor
Door switch
Defrost timer
Defrost heater
B i m e t a l
Temperature fuse
Diagnosing methods and criteria L o c a t i o n
Measuring point
Primary wire
Secondary wire
N o r m a l
Approx 10 ~ 500kΩ
3 ~ 20Ω
A b n o r m a l
0 Ω and ∞Ω
• Use the tester to measure the
r e s i s t a n c e .
– Bring the component to cool down
completely before measuring.
N o r m a l
Approx 10Ω ~ kΩ
A b n o r m a l
0 Ω and ∞Ω
N o r m a l
Approx 10Ω ~ 80kΩ
A b n o r m a l
0 Ω and ∞Ω
N o r m a l
Approx 200kΩ
A b n o r m a l
0 Ω and ∞Ω
N o r m a l
Approx 100Ω ~ 20kΩ
A b n o r m a l
0 Ω and ∞Ω
N o r m a l
Approx 10Ω ~ 20kΩ
A b n o r m a l
0Ω and ∞Ω
• Use the tester to measure the
r e s i s t a n c e .
– Bring the component to cool down
completely before measuring.
• Use the tester to measure the
r e s i s t a n c e .
• Use the tester to measure the
r e s i s t a n c e .
– Bring the component to cool down
completely before measuring.
• Use the tester to measure the
r e s i s t a n c e .
– Bring the component to cool down
completely before measuring.
• Use the tester to measure the
r e s i s t a n c e .
• Use the tester to measure the
r e s i s t a n c e .
Measuring point
A B contact point
When the switch is
on by the contact
N o r m a l
Approx 200MΩ
A b n o r m a l
M Ω and ∞Ω
• Use the tester to measure the
r e s i s t a n c e .
– Bring the component to cool down
completely before measuring.
Measuring point
Between terminals
Temperature fuse terminal
N o r m a l
Approx 200MΩ
Approx 10Ω~300KΩ
A b n o r m a l
0 Ω and ∞Ω
• Use the tester to measure the
r e s i s t a n c e .
M e c h a n i c a l
c o m p a r t m e n t
M e c h a n i c a l
c o m p a r t m e n t
Electrical equipment
b o x
M e c h a n i c a l
c o m p a r t m e n t
M e c h a n i c a l
c o m p a r t m e n t .
Freezer compartment.
Fresh food
c o m p a r t m e n t
Between the upper
and the lower doors
Electrical equipment
b o x
Lower EVAP
E V A P
N o r m a l
Approx 3KΩ ~ 6KΩ
A b n o r m a l
MΩ ~ ∞Ω
Measuring point
Bimetal terminal
Temperature fuse
t e r m i n a l
N o r m a l
Approx 200MΩ
A b n o r m a l
Ω ~ ∞Ω