VentoVind PRO Special user manual
© Corroventa Avfuktning AB
2020.12
32 (39)
Troubleshooting
Note that fans and the VentoVind™ system must be
disconnected from power prior to servicing.
Fault symptom
Probable cause
Actions
The fan does not blow
any air or is stationary.
The supply air side of the
fan may be choked,
obstructed.
The fan has run hot and its
overheating protection has
tripped.
The fan may be defective.
First try disconnecting the current to the fan for
approx.: 10-60 min to allow the fan to cool.
Then check the fan according to the points
under maintenance and service. Then reconnect
the current and see if the fan restarts. The fan
can be test operated manually via the control
panel.
The fan does not start
when the connector is
connected and
Homevision® control
panel does not connect
to the control unit.
Power connection and/or
control unit connection
- Check that there is voltage in the electrical
socket in which the Control unit is connected,
and that the fuse has not blown.
The mechanical damper
does not open at 80
–
100% fan operation.
The installation is not well
sealed and the required
overpressure of 3
–
5 Pa is
not achieved.
The damper flaps have
jammed.
Ensure that the damper opens when touched
lightly, and springs back and closes without
problem.
-check that the installation is sealed and
improve if necessary.
Noise from the fan.
Dirt/dust on the fan wheel
causes imbalance and
vibration noise.
-clean the fan according to the service
instructions.
If the measures described above did not
remedy the error, contact your dealer for
necessary service and support.
