LG HMC030KD1 Service Manual - Page 48

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ycle I rouniesnooting cauiae 1. Check temperature differente Temp. difference : approx. 0°C less than 80% urrent ertip. Difference - D3011: Current (1 -less-than 80% of rated-current 4 Operarry Current Temp. difference : less than 8°C(14 Current • over the reated current Temp. difference . over 8°C(147) g current - All ameunt-ef-refrigerant leaked out. ChedFrefrigeration cycle. Fiefrigerant leakege Clog of refager-ation-cycle Defective-compressor • Excessiveamountofietrigerant - Normal Notice : Temperature difference between intake and discharge airfelepends on roomair huniidi y. Vhen th humidity is relativWy higher, terr erature difference is crnall inen-the-reeffl-aw-humidity is rclativcly low r tern perature differenc-eis larger. 2. Check temperature and pressure of refrigeration cycle Suction pressure (Compared with the normal value) Higher Temperature (Compared with the normal valve) High Normal Cause' of Trouble Defective compressor r-wespe.c.ive-AMAHIffit-Afrefrigerant Lower Hiy ur Insufficient amount of refrigerant (Leakage) Clogging Dcsc►'iptinn is low. High pressnr-P, FIAAR-Fint-cp-tinkly- rise at the beginning of operation. Current is low Current is low. Notice : 1. The suction prcs3ure is usually 4.-5-50 kg/cm2C(Cooling) at norm 2. The temperature can be measured by attaching the thermome*FtiFfh putty. liNFrfimsErwtoctilivriinilwrevIt - 48

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ycle
I
rouniesnooting
cauiae
1.
Check
temperature
different
e
g
current
Temp.
difference
:
approx.
0°C
less
than
80%
urrent
-
All
ameunt-ef-refrigerant
leaked
out.
ChedFrefrigeration
cycle.
ertip.
Difference
(1
Fiefrigerant
leakege
—
D3011:
Current
—less
-
than
80%
of
Clog
of
refager-ation-cycle
rated
—
current
Defective
-
compressor
Operarry
Current
Temp.
difference
:
less
than
8°C(14
Current
•
over
the
reated
current
•
Excessiveamountofietrigerant
Notice
:
Temp.
difference
.
over
8°C(147)
-
Normal
Temperature
difference
between
intake
and
discharge
airfelepends
on
roomair
huniidi
y.
Vhen
th
humidity
is
relativWy
higher,
terr
erature
difference
is
crnall
inen-the-reeffl-aw-humidity
is
rclativcly
low
r
tern
perature
difference
-is
larger.
2.
Check
temperature
and
pressure
of
refrigeration
cycle
Suction
pressure
Temperature
(Compared
with
(Compared
with
Cause'
of
Trouble
Dcsc►'iptinn
the
the
normal
value)
normal
valve)
High
Defective
compressor
is
low.
Higher
r-wespe.c.ive-AMAHIffit-Af-
High
pressnr-P
,
FIAAR-Fint-cp-tinkly—
Normal
refrigerant
rise
at
the
beginning
of
operation.
Insufficient
amount
of
Current
is
low
Lower
Hiy
ur
refrigerant
(Leakage)
Clogging
Current
is
low.
Notice
:
1.
The
suction
prcs3ure
is
usually
4.-5-50
kg/cm
2
C(Cooling)
at
norm
2.
The
temperature
can
be
measured
by
attaching
the
thermome*FtiFfh
liNFrfimsErwtoctilivriinilwrevIt
putty.
-
48