Troubleshooting; Compressor And Electrical Components - Kenmore 795.77302.600 Service Manual

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
from compressor and
measure voltage
between Terminal C of
compressor and
terminal 5 or 6 of PTC.
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
two terminals in
PTC-Starter.
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
Refer to Page 13.
Refer to Page 13.
YES
Supply
voltage rating
with ±10%.
- 17 -
YES
YES
Replace OLP.
Check connection
condition.
Reconnect.
3 4
YES
Did Compressor
compressor
is OK
start?
Replace the
compressor
NO
NO
2
5
5
3
5
1