Haier HW70-1401S-F, Service Manual, Page: 20 / 30

SERVICE MANUAL
HW70-1401
Front Load Washing Machine
Chapter 10 Error Display and troubleshooting
10-1. Error Display
Error message:Door is not properly shut 20s after program is started.
Troubleshooting:
Error message: Drainage error, water not emptied within 4 min.
Troubleshooting:
Pushing the door to Check Whether
Door is properly shut or not
Y
Shut the door properly
Door lock is broken and need replacing,
then make sure wire is connected
properly.
N
Check the voltage between 12-3 and
12-12 of PCB, is it between AC
220-240V?
Check if drain pump acts by touching
pump position
Y
Check if drain pump or
drain pipe is jammed,
And open the filter and
clean
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?
Replace drain pump
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?
Replace PCB
Cut off the power and then turn on again.
Check the voltage between brown wire
and blue wire of door lock, is it between
AC 220-240V?
N
Y
Replace
PCB
N
Connect the wire properly
Check if the wire connecting door lock
and PCB is loose
N
Y
Check if water is emptied
Y
Cut off power and water level pressure switch wire
connection, measure the resistance of 11 and14 pin,
is it infinite? If not, it is water level pressure switch
failure and replaces it. If it is, then repair and check
PCB and wire as followed.
N
Y
The wire between PCB
and drain pump is not
connected properly.
Replace the wire.
Y
N