21
AC 220-240V
NO
NO
YES
YES
YES
NO
NO
NO
NO
YES
YES
NO
PWB ASSEMBLY (MAIN)
PWB ASSEMBLY (MAIN)
(RED)
(RED) (WHITE)
(WHITE)
(WHITE)
(WHITE) (BLUE)
(BLUE)
(RED)
(RED) (WHITE)
(WHITE)
(WHITE)
(WHITE) (BLUE)
(BLUE)
1 2
Replace the sensor
(pressure)
Replace the PWB
assembly
Repair drain hose
Remove foreign
material.
Reconnect or repair the
connector
Replace the pump
assembly
Replace the PWB
assembly (Main)
When pressing [Bio] and [Time Delay] at the same
time after draining,
is the water level frequency 252 or more?
When pressing [Bio]
,
[Time Delay] buttons at the
same time while wash, is the water level frequency
between 220 - 240V~?
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 drain pump cut-off?
(resistance of coil is 90~160
Ω
)
When checking voltage between connectors
(
①
,
②
)on spinning, is the voltage
220 - 240V~ as the figure?
HEATING WITHOUT WATER
DRAIN MALFUNCTIONING
