Ptc And Olp - LG GR-391SCA Service Manual

6-2 PTC AND OLP

Normal operation of
Compressor is
impossible or poor.
Separate the PTC from
Compressor and
measure the resistance
between No. 5 and 6
(only RSIR Type) or No.
4 and 5 of PTC with a
Tester or Whistone
Bridge. (Figure 22)
Separate the OLP
from Compressor and
check resistance
value between two
terminals of OLP with
a Tester. (Figure 23)
4
6
3
Figure 22
Observation value is
220V/50Hz :
115V/60Hz : 6.8§ ±30%
240V/50Hz : 33§ ±30%
127, 220V/60Hz :
The resistance value is
0 or several
hundreds § .
The value is ¡˜.
YES
Check another
electric components.
NO
Replace OLP.
5
- 13 -
Check another
electric components.
22§ ±30%
22§ ±30%
Replace
PTC.
Figure 23