Ptc And Olp - LG GR-359 Service Manual

2 RELAY ASSY (PTC AND OLP)
Normal operation of
Compressor is
impossible or poor.
Separate the Relay Assy
from Compressor and
measure the resistance
between M and S with a
Tester or Whistone Bridge.
(Figure 21)
Separate the Relay Assy
from the Compressor and
check the resistance value
between two terminals of
OLP with a Tester.
(Figure 22)
C
M S
Figure 21
Observation value is
220V/50Hz : 22Ω±30%
115V/60Hz : 6.8Ω±30%
240V/50Hz : 33Ω±30%
127, 220V/60Hz :
22Ω±30%
The resistance value is 0
or serveral hundreds Ω.
The value is ∞.
YES Check another
electric components.
NO
Replace Relay Assy.
C
M S
Figure 22
- 12 -
Check another
electric
components.
Replace
Relay Assy.
T
L N
3 2