Relay Assembly Ptc And Olp - LG GC-B379S*QA Service Manual

2. Relay assembly 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 or No.
4 and 5 of PTC with a
Tester or Whistone
Bridge. (Figure 22)
YES
Separate the OLP
from Compressor and
check resistance value
between two terminals
NO
of OLP with a Tester.
(Figure 23)
14
TROUBLESHOOTING (Mechanical Part)
Observation value is
220-240V/50Hz:
33 ±20%Ohm
The resistance value is
0 or several
hundreds
.
The value is
Check another
electric components.
Replace OLP.
Check another
electric components.
Replace PTC.