Defrost Timer - LG LRTGC1815BK Service Manual

6-2 PTC AND OLP
I Normaloperationof
Compressor is
impossible or poor,
6-3 DEFROST TIMER
r
__ Separate the PTC- ._
Starter from
!
Compressor and
measure the
resistance between
No. 5 and 6 of PTC-
Starter with a Tester or
Whistone Bndge. __
(Figure 21)
/
Observation voiue is
220V/50Hz : 228 ±30%
115VI60Hz : 6.88 ±30%
240V!50Hz : 335 -+30%
127, 220V/60Hz : 228
-+30%
The resistance value _l
is 0 or several
hundreds _ .
The va]ue is i "_
I Separata the OLP from _ yI:S_._[ Check another
Compressor and check_ electric components. I
the resistance value | I
I
between two terminals I r
of OLP with a Tester. NLNOj I
(Figure 22) _ Replace OLP.
Check another I electric components.
Replace PTC-
Starter
Normal operation of __
the Defrost Timer is "_ /
mposs b e.
No defrosting. F
Poor cooling.
Position the Cam Shaft to
the point of first 'dick'
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 nowing
between terminals
No. 1(brown) and
No. 4(black)
(Figure 23).
--_ The resistance is z-
.._ The resistance is
0_ or variable,
___ The resistance is about
220V/5OHz : 20K_
115V/60Hz : 7.8K$ .
Tum the Cam Shaft. I NO
._ Shake about 3 times I_
with holding the Cam Loud 'click' sound.
Shaft and Body softly.
DReefpl_sctt h_eer" I
I_ ;ep_°a_tethneer I
i_ heckthe another I
electric components.
" DRefp_°actetheer" I
I_ Replace the Defrost Timer. I
P D