LG LFX28968D Service Manual page 82

12-3 Check C
C1. Harness Connection Check
C2. Capacitor Specifications
C3. Compressor Check
- Step 1. Power off. Step 2. Check capacitor spec. (table1). Step3. Check resistance of point A
Step 4. Check wire harness (INF ohm). Step 5. Check resistance at point B. Step 6. Point D.
Power
Capacitor
off
Resistance N
at Point B
6~8ohm
Y
Problem
A~B
- Measure the resistance at each point except point C
- Dead short check: measure the resistance between power line in compressor and earth ground in refrigerator (Inf. Ohm)
Y
Check Y
Resistance
at Point A
Spec.
6~8ohm
N
Resistance N
Replace
at Point D
Compressor
6~8ohm
Y
Problem
B~D
Caution : Turn off power during check C
μ ±
- 37 -
Check Process
Check
Harness
Y
wiring to
Connecting
compressor
OK
N
N Y Harness
Check Compressor
Problem
terminals
* Because of ambient temperature or operating
situations, the values shown can have a slight
deviation.
±