Washing Machine - Electrolux EWF1070M Service Manual

SERVICE MANUL
EWF1070M
EWF1070W
Check if drain pump acts by touching
pump position
N
Cut off the power and choose spin program to
start, then check the import voltage of drain
pump, is it between AC 220-240 V?
N
Cut off power and pull out water level
pressure switch wire connection. Set spin
program to start. Check the export voltage
to drain pump, is it between AC
220-240V?between blue wire and green
wire
N
Replace PCB
Error message:Temperature sensor is not properly connected or damaged (display at the end of a program).
Troubleshooting:
Cut off power and measure the resistance
of temperature sensor by multimeter, is
it between 5-14kΩ?
Y
Check if NTC is connected properly
Y
Check the blue wire and black wire of NTC, are
they connected well?
Y
Disconnect the white wire and black wire
from computer board, and measure if the
resistance between blue wire and black wire of
PCB is it infinite?
N
Replace PCB
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Check if drain pump or
Y
drain pipe is jammed, and
open the filter and clean
Y
Replace drain pump
N
NTC exist open circuit .Replace it
N
N
Y
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The wire between
computer board
and drain pump
is not connected
Y
properly.
Replace the wire.
Connect NTC well
Connect all wires well
Replace wire
Machine
２１