LG GR-382R Service Manual

6. Troubleshooting
6-1 COMPRESSOR AND ELECTRIC COMPONENTS
Power Source.
Remove the PTC-Starter
from the Compressor
and measure the voltage
between Terminal C of
Compressor and
Terminals 5 or 6 of PTC.
(Rating Voltage
Go to Step 2
No Voltage.
OLP disconnected?.
Replace OLP.
Check connection
condition.
Reconnect.
Go to Step 5
Applied voltage isnÿ´t in
the range of Rating
Consult a qualified
electrician.
Go to Step 5
NO
YES
2
Check the
resistance of
Motor
Compressor.
Check the resistance
among M-C, S-C and M-S
in Motor Compressor.
Replace
Compressor.
Go to Step 3
Go to Step 3
Go to Step 4
Go to Step 5
3
Check the
resistance of
PTC-Starter.
Check the resistance of
two terminals in PTC-
Starter.
Go to Step 4
Replacce
PTC-Starter.
Go to Step 5
NO
NO
YES
4
Check OLP.
Check if applying a
regular OLP.
OLP works within 30
seconds In forcible
OLP operation by
turning against power
on and off.
Replace OLP.
Go to Step 5
NO
YES
Check
starting state.
Measure minimum starting
voltage after 5 min. for
balancing cycle pressure
and cooling the PTC.
5
Components start in
the voltage of Rating
O.K.
Go to Step 1
1
16
10%)
Voltage 10%.
Voltage 10% below.

LG GR-382R Specifications

General

Brand	LG
Model	GR-382R
Category	Refrigerator
Language	English