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Defrost Timer - LG LRTBC1825T Service Servicing Precautions

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6-2 PTC AND OLP
Normal operation of
i--
--_
Compressor
is
/
impossible or poor.
6-3 DEFROST TIMER
m
Normal operation
of
_
.._
the Defrost Timer is
/
impossible.
No defrosting.
F
Poorcooling,
I---
/
Separate the PTC-
,.._I
Starter from
I
Compressor
and
measure the
resistance between
No. 5 and 6 of PTC-
Starter with a Tester or
Wheatstone
Bridge.
(Figure 21)
Separate the OLP from
Compressor
and check I
Vl
the resistance value
I
i
between two terminals I
r
of OLP with a Tester.
(Figure 22)
_1
Observation
value is
220V/50Hz
: 22D-t 30 %
115V/60Hz
: 6.8;Zt30%
240V/50Hz
: 33_Z_30%
127, 220VI60Hz
: 22_._
±30%
The resistance value
is 0 or several
hundred _L _,
The value is
.
Check another
I
electric components.
Replace OLP.
I
F_Figure21
Position the Cam Shaft to
the point of first click
sound and check the
current flowing between
terminals
No. 1(brown)
and NO. 2(bright orange).
Next, position the Cam
Shaft to the point of
second click sound and
check the current flowing
between terminals
No. 1 (brown)
and
No. 4 (black)
(Figure 23).
-_Tum
the Cam Shaft.
.._
Shake about 3 times
with holding the Cam
Shaft and Body softly.
_
eCh cte%ikcacno(
tmhl_nents. I
I
--_
The resistance is =o.
_,_
DR:PlraCtet hneer"
I
0_2 or variable.
Defrost Timer.
._
The resistanceis about
220v/5OHz : 2OK_J
115VI60Hz : 7.8K,(;_
I
t_
Loud click sound.
_
Check the another
I
electric components, I
_-
Replace the
Defrost _mer.
]
D
-11
-
Figure
23

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