F1(Auto-Lifting Panel Malfunction Diagnosis And Solution) - York YEFE BZTM-MOW1 Series Service Manual

5.7

F1(Auto-lifting panel malfunction diagnosis and solution)

Description: Indoor PCB does not get the right close position from the PCB of auto lifting-panel when the panel motor
stops
Recommended parts to prepare:
• Wiring mistake between indoor PCB and auto-lifting panel
• Faulty PCB of auto-lifting panel
• Faulty louver motor
Troubleshooting and repair:
C heck the w i ri ng of the l ouver m otors.
C heck the w i ri ng of the l ouver m otors.
N o A re they w i red i ncorrectl y?
A re they w i red i ncorrectl y?
Reconnect
Reconnect
Repl ace the l ouver m otors.
Repl ace the l ouver m otors.
H as the probl em been
H as the probl em been
C ontrol panel to l i ft or drop by control l er
C ontrol panel to l i ft or drop by control l er
Y es
Y es
sol ved?
sol ved?
N O
A uto-l i fti ng panel m al functi on
A uto-l i fti ng panel m al functi on
C an the auto-l i fti ng panel m ove
C an the auto-l i fti ng panel m ove
norm al l y?
norm al l y?
Y es
Pow er off, then restart the uni t 2
Pow er off, then restart the uni t 2
m i nutes l ater.
m i nutes l ater.
H as the probl em been
H as the probl em been
sol ved?
sol ved?
N o
C heck the w i ri ng of l eft and ri ght
C heck the w i ri ng of l eft and ri ght
sensors.
sensors.
A re they correctl y w i red?
A re they correctl y w i red?
Y es
The m ai n control PC B of auto-l i fti ng
The m ai n control PC B of auto-l i fti ng
panel i s defecti ve. Repl ace i t
panel i s defecti ve. Repl ace i t
N o Reconnect
Reconnect
H as the probl em been
H as the probl em been
sol ved?
sol ved?
N O
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