Ptc And Olp - LG GN-M492Y*Y 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 Wheat stone
bridge. (Figure 22)
Separate the OLP
from Compressor and
check resistance
value between two
terminals of OLP with
a Tester. (Figure 23)
4
6 5
3
Figure 22
Observation value at
220V/50Hz : 47Ω ± 30%
220 - 240V/50Hz : 47Ω ± 30%
110 -115V/60Hz : 6.8Ω ± 30%
220V/60Hz : 47Ω ± 30%
127V/60Hz : 22Ω ± 30%
The resistance value is
0 or several
hundreds Ω or infinity.
YES
Check another
electric components.
NO
Replace OLP.
Figure 23
- 13 -
Check another
electric components.
Replace
PTC.