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YES
YES
NO
NO
NO
NO
YES
YES
NO
PWB ASSEMBLY
PWB ASSEMBLY
YES
NO
1
2
Clean the air chamber
and hose.
Replace the sensor.
(pressure)
Repair drain hose
Remove foreign material.
Reconnect or repair the
connector
Replace the pump
assembly
Replace the PWB
Are there any problem at air chamber, the hose
or pressure sensor?
Replace the PWB assembly.
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of drain pump cut-off?
(resistance of coil is 90~160
)
When checking voltage between connectors
(
, )on spinning, is the voltage 220 - 240V~
as the figure?
HEATING WITHOUT WATER
DRAIN MALFUNCTIONING