User manual VentoVind™ PRO
© Corroventa Avfuktning AB
Servicing the control unit and sensors
After installation, the control unit and sensors require no maintenance and usually do not need
further inspection. In the event of a fault with the control unit or sensors, only authorised staff may
carry out repairs. Defective units must be removed by authorised installers.
Troubleshooting
Note that fans and the VentoVind™ system must be disconnected from power prior to servicing.
The fan does not blow
any air or is stationary.
The supply air side of the
fan may be choked or
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, that the fuse has not blown.
The damper does not
open at 80–100% fan
operation.
The installation is not well
sealed and the required
overpressure of 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.
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.
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