2-5. Defrosting failure
TROUBL
E
DIAGNOSIS
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lead wire with
the heating wire is cut or the circuit
0
Ω
: Short.
∞Ω
: Cut.
• Parts replacement: Refer to parts
insulation tape and heat
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2) Lead wire of heater is cut.
surface.
3) Heating wire at lead wire contacts
0
Ω
: Short.
∞Ω
: Cut.
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Ω
: Short.
Suction tube and discharge orifice:
1. Confirm foreign materials. In case 1) Push out impurities by inserting
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2. Put hot water into the drain
frost is severe.)
(check drains outside).
2) Put in hot water to melt down frost.
3) Check the water outlet.
4) Push the heater plate to suction
duct manually and assemble the
disconnected parts.
Gap between Suction duct and
1. Confirm in the Suction duct.
1) Turn off the power, confirm
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supply hot water until the ice in the
gap melts down.
2) Push the Heater plate to drain
bottom with hand and assemble
the disconnected parts.
Wrong heater rating (or wrong
1. Check heater label.
Faults:replace.
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substituting the resistance value
Refer to main parts.
into the formula.
(V: Rated voltage of user country)
(R: Resistance of tester[
Ω
])
Compare P and lavel capacity.
Tolerance: ±7%
V
2
P= ––
R
No defrosting Heater does not generate heat as 1. Check the resistance of heater Heating wire is short and wire is cut Seal the
-64-
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Страница 101: ...February 2009 MFL62215904 ...