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6-2 PTC AND OLP
65
3
4
YES
NO
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)
Observation value is
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.
The value is ∞.
Check another
electric components.
Replace OLP.
Check another
electric components.
Replace
PTC.
Figure 23
Figure 22