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Troubleshooting; Compressor And Electric Components - Kenmore 795.69292.902 Service Manual

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6. TROUBLESHOOTING

6-1 COMPRESSOR AND ELECTRIC COMPONENTS

1
Power Source.
Check
2
Check resistance
resistance of
of motor
motor
compressor.
compressor.
.
Check
3
resistance of
PTC-Starter.
4
Check OLP.
Check
5
starting state.
Remove PTC-Starter/Combo
from compressor and
measure voltage
between Terminal C of
compressor and
terminal 5 or 6 of PTC/Combo
No voltage.
Applied voltage isn't
in acceptable range.
(115V ±10%)
Check the resistance
between M-C, S-C and M-S
in motor compressor.
Check each pin to ground.
Check resistance of
PTC-Starter/Combo
Check resistance of two
terminals in OLP.
Check the power supply
under load.
(Compressor attempting
to re-start after being off
for 5 minutes).
(Rated voltage
±10%)?
OLP disconnected?
NO
Advise customer that
power supply needs to be
checked by an electrician.
The resistance between pins should be
between 1 and 50 ohms. The resistance to
ground should be infinite.
Replace
Open or short
compressor
or short to
ground
Check resistance of
two terminals in
PTC-Starter/Combo
If power conducts: OK
If not: NG
YES
Supply
voltage rating
with ±10%.
- 17 -
YES
YES
Replace OLP.
Check connection
condition.
Reconnect.
3
4
At normal temperature
6.8 +20: OK
?
YES
Did
Compressor
compressor
is OK
start?
Replace the
compressor
NO
NO
2
5
5
3
5
1

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