Samsung SR-S20DTD - Compressor Not Working Diagnosis

1.
When
power
is
applied
initially,
COMP
works
after
3~6
sec..
However,
when
COMP
turns
off
during
its
operation,
COMP
doesn’
t
work
for
Smin..
2.
COMP
doesn’
t
work
during
defrost
3.
If
freezer
sensor
is
not
connected,
itis
sensed
as
low
temperature
and
COMP
doesn’
t
work.
Check after 5 min.
Does COMP
drive at forced
operation?
Is freezer sensor
normal?
Y Repair open and
connection state
ls temperature ~ N
sensor of main PCB is
normal?
- Repair sensing part
and replace PCB
Control cord and repair
connection state
Replace COMP RELAY
Is MICOM #1501
HIGH applied?(5V
Is C03 #14 LOW
applied?(0V
Replace IC03 and repair
=
Replace COMP relay
and repair
!s contact state of
Connector CN70, CN71
is normal?
Complete insertion of
Connector
Replace COMP ASS’ Y
and repair
[cor Assembly and Connection Stat