Haier HW80-B14979, Service Manual, Page: 28 / 42

Front Load Washing Machine
Error message:PCB Abnormal phenomena
Check the PCB power lines and
reactance lines,make sure they are well inserted.
N
Y
Y
Make sure the communication lines are well
inserted.
N
Error message:Connecting issue between control board and driven boards.
Check if the lights of the motor drive PCB
are shining.
Check the motor drive PCB power lines and
reactance lines,make sure they are well inserted.
N
Check if the motor drive PCB communication
lines are connected properly.
Y
Y
Make sure the communication lines are well
inserted.
N
Error of the motor drive PCB,need to change the
motor drive PCB.
Check the PCB power lines and reactance lines
,make sure they are well inserted
Check if the PCB communication lines are
connected properly
Error of PCB, need to change PCB
Error message:Connecting issue between control board and power boards.
Check if the lights of the motor drive PCB
are shining.
Check the motor drive PCB power lines and
reactance lines,make sure they are well inserted.
N
Check if the motor drive PCB communication
lines are connected properly.
Y
Y
Make sure the communication lines are well
inserted.
N
Error of the motor drive PCB,need to change the
motor drive PCB.
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