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TROUBLE DIAGNOSIS
C
L
I A
M
. S
3. Refrigeration
1) Refrigerant Partly leaked.
is weak.
2) Poor defrosting capacity.
Drain path (pipe) clogged.
Defrost heater does not
generate heat.
C
A
U
S
E
S
A
N
D
C
H
E
C
K
P
O
N I
Weld joint leak.
Parts leak.
Inject adiabatics into drain
hose.
Adiabatics lump input.
Foreign materials
penetration.
Damage by a screw or
clamp.
Other foreign materials input.
Cap drain is not disconnected.
Parts
Plate
disconnected.
heater
Cord
heater
-
52
-
T
. S
H
O
Check visually.
Inject through the
hole.
Seal with drain.
Wire is cut.
Check terminal
- Heating wire.
Conduction: OK.
- Contact point
No conduction: NG.
between heating
If wire is not cut, refer to
and electric wire.
resistance.
Dent by n evaporator.
P=Power
Poor terminal contacts.
V=Voltage
R=Resistance
Wire is cut.
- Lead wire.
V
P= —
- Heating wire.
R
- Contact point
between heating and
V
R= —
electric wire.
P
Heating wire is corroded
- Water penetration.
Bad terminal connection.
W
T
O
C
H
E
C
K
2
2
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