SERVICE MANUL
EWF1070M
EWF1070W
Washing Machine
２７
9-2-3. No draining
Troubleshooting:
9-2-4. Abnormal noise and vibration
Troubleshooting:
Choose pre-wash program and start
，
then
check if there is 220-240V at export pin of
electromagnetic valve
Is
there
open
circuit
between
electromagnetic valve and computer board?
N
Reconnect the wire
Replace PCB
N
Y
Turn filter anticlockwise
，
open and check if
filter is jammed
Clean and tighten filter clockwise.
N
Is the height of drain pipe too high?
N
Adjust the height of drain pipe to
80-100 cm
Y
Y
Turn on and choose spin program to start.
Measure if export voltage of PCB to drain
pump is 220-240V
Y
Arrange hose and clean
Check if hose connecting cylinder to pump is
bent or jammed
Turn on power and choose spin program to start.
Measure if import voltage of drain
pump is
220-240V
Cut off and check if the connection between
drain pump and computer board is open
Replace drain pump
Replace the wire.
N
Replace
PCB
N
N
N
Y
Y
Y
Dismantle the screws
Clean
N
Is there foreign material in the washer?
N
Y
Is the pack screws dismantled?
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