Troubleshooting - Haier HW-E1470TVE Service Manual

Front Load Washing Machine
HW-E70TVE SERIES Error Display and Troubleshooting
Error message:Door is not properly shut 20s after program is started.

Troubleshooting:

Pushing the door to Check Whether Door
is properly shut or not
Y
Cut off the power and then turn on again.
Check the voltage between brown wire and
red wire of door lock, is it between AC
220-240V?
N
Check if the wire connecting door lock
and computer board is loose
N
Check the voltage between grey wire and
white wire of computer board, is it
between AC 220-240V?
Error message:Drainage error, water not emptied within 4 min.
Troubleshooting:
Check if water is emptied
N
Check if drain pump acts by touching
pump position
N
Cut off power and water level pressure switch wire
connection, measure the resistance of 1 and 3 pin, is it
infinite? If not, it is water level pressure switch failure
Y
and replace it. If it is, then repair and check computer
board and wire as followed.
Y
16
Model:HW-E70TVE SERIES
Shut the door properly
N
Door lock is
Y
replacing, then make sure wire is
connected properly.
Connect the wire properly
Y
Replace
computer
board
N
Check if drain pump or
drain pipe is jammed, and
open the filter and clean
broken and need