Ptc And Olp - LG GR-M652Y*A 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)
Figure 22
Observation value at
220V/50Hz : 47 30%
220 - 240V/50Hz : 47
110 -115V/60Hz : 6.8
220V/60Hz : 47 30%
127V/60Hz : 22 30%
The resistance value is 0
or several hundreds
or infinity.
YES
Check another electric
components.
NO
Replace OLP.
Figure 23
- 25 -
Check another
electric components.
30%
30%
Replace PTC.