LG LFXS32726 Series - Page 90

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11-3 Check C
Checking Compressor and Harness
Check Process
1. Check the harness connection
2. Check the compressor.
Power
off
Is the resistance
OK?
(point A)
Harness
connection OK
Faulty connection
between A -B
Is the resistance
OK?
(point B)
Is the resistance
OK?
(point D)
Replace the
compressor
Faulty connection
between B -D
Is the harness OK?
Y
N
N
Y
Y
Y
N
N
Is the compressor
terminal OK?
Harness
failure
Y
N
 Step 1. Power off
Step 2. Check the resistance (point A).
Step 3. Check the harness (INF ohm).
Step 4. Check the resistance (point B).
Step 5. Check the resistance (point D).
Y
Check for damaged
insulation.
Multi
Tester
Co
Sa
Po
Sa: Save
Po: Power
Co: Common
Point A
Point B
Point D
Multi
Tester
Multi
Tester
Checking Compressor and Harness
 Measure th e resistance on the compressor terminal (Power & Common, Save & Common).
 Check for damaged insulation: Measure th e resistance between
the Save terminal of the compressor and ground.
Multi
Tester
୔ Resistance may vary by several Ω depending
on the ambient temperature or operating conditions.
Earth
Hermetic terminal
i
t
b
l
Ω
d
d
i
ྙ
ྚ
ྙ
ྚ
ྚ
ྙ