Vivax ACP-12CT35GECI, Service Manual

Page: 51 / 68

47
Troubleshooting
Note: The information above is for reference only.
(4)Troubleshooting for H6 malfunction
Start the troubleshooting
for H6 malfunction
Check whether the
terminal of DC motor is
connected tightly
Insert the motor
terminal tightly
Is mafunction
eliminated?
Is mafunction
eliminated?
Is mafunction
eliminated?
Pull blade
with hand to see
whether
i
it can rotate
smoothly
Re-assemble blade
and motor correctly
Whether
motor can be started
up
Replace motor
Replace controller
End
Whether the voltage
on motor feedback
terminal (blue wire)
is more than 1.1V
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Energize the unit and turn on the unit. After
the horizontal louver opens for 1 min, measure
whether the input DC voltage VDC (red wire)
of motor is300s, whether the DC voltage
VCC (white wire0 is 15V and whether the output
VSP (yellow wire) is more than 1.1V. The earthing
wire is black wire;