Troubleshooting; Compressor And Electric Components - LG LMX25981 series Service Manual

6. TROUBLESHOOTING

6-1 COMPRESSOR AND ELECTRIC COMPONENTS

Power Source.
Check
resistance of
motor
compressor.
Check
resistance of
TSD-Starter.
Check OLP.
Check starting
state.
Remove TSD-Starter
from compressor and
measure voltage
between terminal C of
compressor and
Terminal 5 or 6 of TSD.
No Voltage.
Applied voltage isn't in
acceptable range.
(115V ±10%)
Check resistance
between M-C, S-C and
Open or short
M-S in Motor
compressor.
Check resistance of two
terminals in TSD-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%)?
YES
OLP disconnected?
NO
Advise customer that
power supply needs to be
checked by an electrician.
The range of resistance is between 1~50Ω(ok)
Replace
compressor.
Refer to page 12.
Supply
voltage rating
with ±10%.
NO
- 20 -
YES
Replace OLP.
Check connection
condition.
Reconnect.