Refrigerator - LG GBB530***F Series Service Manual

Troubles hooting Without E rror Dis play
3. Poor cooling in Refrigerator compartment
S tep
No
1 C h e c k t h e s e n s o r r e s i s t a n c e .
•
T h e s e n s o r i s d e t e r m i n e d b y
t h e t e m p e r a t u r e .
F o r e x a m p l e , 3 0 K
2
R e s e t t h e u n i t a n d
I n p u t T e s t 1 M o d e .
( p u s h t h e b u t t o n 1 t i m e )
3
C heck V oltage DE F Heater
4 O p e n t h e o p t i - z o n e d o o r a n d
5 C h e c k t h e a i r t e m p e r a t u r e .
C o l d o r n o t ?
C hec k Item
i n d i c a t e s 0 ˚ C .
R es ult & S V C A c tion
(1) T o (2)
23°F / -5°C
32°F / 0°C
41°F / 5°C
50°F / 10°C
59°F / 15°C
Status
Windy
No windy
Status
Windy
No windy
Status
Cold
Not cold
- -
R es ult
38 k
30 k
24 k
19,5 k
16 k
S V C A c t i o n
Go to the 4
Check the Fan motor
(Next page) & PCB
S V C A c t i o n
Go to the 5
Check the damper
(Go to the 6)
S V C A c t i o n
Explain to customer
Check the Compressor
And sealed system