6-2. PTC AND OLP
- 11 -
6
5
3
4
YES
NO
NO
YES
NO
Cam Shaft
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 : 22
Ω
±30%
115V/60Hz : 6.8
Ω
±30%
240V/50Hz : 33
Ω
±30%
127, 220V/60Hz :
22
Ω
±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
Normal operation of
the Defrost Timer is
impossible.
No defrosting.
Poor cooling.
Turn the Cam Shaft.
Shake about 3 times
with holding the Cam
Shaft and Body softly.
The resistance is
∞
The resistance is
0
Ω
or variable.
The resistance is about
220V 50/60Hz : 7~30k
Ω
120V 50/60Hz : 3~ 5k
Ω
Loud "click" sound.
Replace the
Defrost Timer.
Replace the
Defrost Timer.
.Check the other
electric components.
Replace the
Defrost Timer.
Replace the
Defrost Timer.
6-3. DEFROST TIMER
Position the Cam Shaft to
the point of first 'click'
sound and check the
current between terminals
No. 1 (brown) and
No. 2 (bright orange). Next,
position the Cam Shaft to
the point of second 'click'
sound and check the
current between terminals
No. 1 (brown) and
No. 4 (black). (Figure 24).
Figure 24
