www.blaubergventilatoren.de
15
VENTO A50 / A50-1 / A50 S / A50-1 S
Fault
Possible reasons
Fault handling
The fan does not start
when the unit is on.
No power supply.
•
Make sure of correct power supply, otherwise troubleshoot
the connection error.
Jammed motor, soiled impeller blades.
•
Turn the unit off.
•
Troubleshoot the motor jam and the impeller clogging.
Clean the blades.
•
Restart the unit.
Automatic switch tripping
during the unit start.
Short circuit in power grid as a result of short circuit.
•
Turn the unit off.
•
Contact the seller.
Low air flow.
Low set fan speed.
•
Set higher speed.
The filters, the fan or the regenerator are soiled.
•
Clean or replace the filter.
•
Clean the fan and the regenerator.
•
For the regenerator and the filter maintenance, refer page
15.
Noise, vibration.
The impeller is soiled.
•
Clean the impeller.
Loose screw connection of the unit casing or the outer
ventilation hood.
•
Tighten the screws of the unit or the outer ventilation
hood.
TROUBLESHOOTING
