Read LG WD-1021FB Service Manual online
33
(WASH)
(RINSE)
220-240V~
NO
NO
YES
YES
NO
AC 220-240V
PWB ASSEMBLY (MAIN)
PWB ASSEMBLY (POWER)
Replace the sensor
(pressure).
Replace the PWB
assembly (Main).
assembly (Main).
Clean the air chamber
and hose.
Replace the sensor.
(pressure)
and hose.
Replace the sensor.
(pressure)
When pressing WASH
( ) and RINSE (
)
button at the same time after draining, is the water
level frequency 252 or more?
When pressing WASH
level frequency 252 or more?
When pressing WASH
( ), RINSE ( )
buttons at the same time while wash, is the water
level frequency between 220~240?
level frequency between 220~240?
Checking voltage between two pins as press
the power button is the voltage 220-240V~?
the power button is the voltage 220-240V~?
Are there any problem at air chamber, the hose or
pressure sensor?
Replace the PWB assembly.
(POWER or MAIN)
HEATING WITHOUT WATER
■ WD-1223(5)F(H)(B)/WD-1243(5)F(H)(B) / WD-1041(3)F(H)B / WD-102(4)1(5)F(H)B / WD-803(4)0F(H)B
■ WD-803(4)0(W)(F)(H)/WD-102(4)1(5)W(F)(H)/WD-1042F(H)
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