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Troubleshooting; Compressor And Electric Components - LG LRTBC1825T Service Servicing Precautions

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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.
1"{ No Voltage.
t Applied voltage isn't
-_, in the range of Rating
Voltage +_10%.
__
(Rating Voltage
YES
-_
OLP disconnected?
Advise the customer
to use a regular
transformer.
Replace OLP.
[_
Check connection
/
condition,
h
_
Reconnect.
I
[_
Check the
resistance of
Motor
Compressor.
[_
Check the
resistance
of
PTC-Startec
-_
heck the resistance
among M-C, S-C and
M-S in Motor
Compressor.
-_
heck the resistance
I
of two terminals in
PTC-Starter.
[_
Check OLR
N_O
YES
Replace Compressor.
[_
Check
starting state.
,Es
Replace
NO
_
PTC-Starter.
Check if applying
a regular OLP.
YES
p[ OLP works within
I
YES
,[_
30 see. in forcible OLP I
r
operation
by turning
NLN_J
Replace OLP.
I
f tantpoweronand
I"
f
NO
t-_
Measure minimum
_
Comp°nents
start in
_
O'K'
I
starting voltage after 5
the voltage of Rating
min. for balancing cycle
Voltage +_10%
pressure and cooling the
below.
]_[_'-_
PTC.
NO
LY
-10-

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