H6 Malfunction - Vivax ACP-12CH35GEF Service Manual

"H6"is
displayed on
the unit.
Stir the fan blade
with a hand when
the unit is DE -
ENERGIZED .
Reinstall the motor
Does the
blade rotate
Yes
unsmoothly?
No
No
Is the
feedback
Insert the feedback
Yes
terminal of PG
terminal tightly .
motor loose?
No
No
Is the
Insert the control
control terminal
Yes
terminal tightly .
of PG motor
loose?
No
malfunction
No
eliminated?
Re-energize
to turn on the unit;
measure within 1 min after the
louvers are opened whether the output
voltage on the control terminal
of the PG motor is over 50V?
No
No
Mainboard
malfunction ;
Replace it .
and the blade to
make it rotate
smoothly.
Is the
malfunction
eliminated?
Is the
malfunction
Yes
eliminated?
Yes
Is the
Yes
Replace the fan
Yes
motor.
Is the
malfunction
eliminated?
Yes
End