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LG WD-14331(6)AD - Fault Diagnosis: Heating Without Water; Fault Diagnosis: Drain Malfunctioning

LG WD-14331(6)AD
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22
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
NO
MAIN PWB ASSEMBLY
MAIN PWB ASSEMBLY
220-240V
2
1
Replace the
S.PRESSURE SWITCH
ASSEMBLY
Replace the MAIN PWB
ASSEMBLY
Repair the
DRAIN HOSE
ASSEMBLY.
Remove foreign
material.
Reconnect or repair the
connector
Repair the
DRAIN PUMP
ASSEMBLY.
Repair the MAIN PWB
ASSEMBLY.
When pressing Rinse Hold after draining, is the
water level frequency 248 ~ 262 or more?
When pressing Rinse Hold while wash, is the
water level frequency between 230 - 245?
Checking voltage between two pins as press
the POWER button is the voltage 220-240V~?
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of the drain pump cut-off?
(resistance of coil is 80~150)
When checking voltage between connectors
(󳡉, 󳡊)on spinning, is the voltage 220-240V~
as the figure?
HEATING WITHOUT WATER
DRAIN MALFUNCTIONING

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