LG LFXS29626 Series Service Manual page 81

11-3 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
off
Resistance
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
Resistance
Capacitor
at Point A
Spec.
6~8ohm
N
Resistance
N N
at Point D
6~8ohm
Y
Problem
B~D
Caution : Turn off power during check C
ulti
Tester
A
B
C
Capacitor Spec.
450V, 20
ulti
Tester
Earth
ead short check
Tester
- 81 -
Check
Y
Y
wiring to
compressor
N
N
Replace
Check Compressor
Compressor
terminals
ulti
Tester
Po
O L P
* Because of ambient temperature or operating
F 5%
μ ±
situations, the values shown can have a slight
deviation.
P
ulti
C
Hermetic terminal
Check Process
Harness
Connecting
OK
Y Harness
Problem
N/C
Po: Power
Co: Common
N/C: Open terminal
Co Comp. Model Resistance
FLB075LANA 7.2 ~ 9.2