Read LG WF-D55WSA / WF-D60WSA Service Manual online
4) No water supply
Check
Check results
Possible reasons
Solution measures
Inlet valve
1． Water is not flowing
into inner tub and
there is current flow
though inlet valve is
working.
there is current flow
though inlet valve is
working.
1) Check if water tap is
close.
Close
Close
Explanation
2) check if the tap is
open
No
Use error
Open water tab
3)remove inlet valve and check
filter if problems are not
mentioned above.
mentioned above.
Filter is clogged
No cleaning
Use a brush to clean the
filter and filter should be
cleaned regularly.
cleaned regularly.
3) check
whether
membrane hole is
clogged with foreign
objects or piston
inside valve is locked
if problems are not
mentioned above.
clogged with foreign
objects or piston
inside valve is locked
if problems are not
mentioned above.
Inlet valve fault
Replace inlet valve
2． If inlet valve is not
working and there is
no current sound
during water supply.
no current sound
during water supply.
1) Check if connectors
are not connected or
connected unproperly.
connected unproperly.
Poor connection
Connection fault
Connect
again
or
implement
troubleshooting caused by
poor connection.
troubleshooting caused by
poor connection.
2) Check inlet valve
resistance
Not between 0 。
8—1。2KΩ
8—1。2KΩ
Coil is cut off
Replace inlet valve
Pressure sensor
1 ． If error message “PE” is
1 ． If error message “PE” is
displayed: sensor fault.
“PE”error display
Connectors
do
not
connect or harness, coil is
cut off.
cut off.
Connect connectors or
replace harness. If coil is
cut off, replace the sensor.
replace harness. If coil is
cut off, replace the sensor.
2．Check BP sensor (pressure
sensor) frequency with no
load and no water supply.
load and no water supply.
Less than 20KHz
BP sensor fault
Replace BP sensor fault
Yes
Replace PC board
PC board
1．If inlet valve and sensor have
1．If inlet valve and sensor have
no fault, check the PC
board.
board.
29
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