www.blaubergventilatoren.de
vento expert (Duo) a W v.2
26
STORAGE AND TRANSPORTATION REGULATIONS
FAILURES AND TROUBLESHOOTING
Failure
Possible reasons
Troubleshooting
The fan does not get started
during turning on.
No power supply.
Make sure the power supply is connected
correctly, otherwise eliminate the connection error.
The motor is jammed, the impeller blades are
contaminated.
Turn the ventilator off. Troubleshoot the motor jam
and the impeller clogging.
Clean the blades. Turn the ventilator on.
Tripping of the circuit
breaker during turning of
the ventilator on.
Overcurrent as a result of a short circuit in the
electric circuit.
Turn the ventilator off.
Contact the Seller for further information.
Low air flow.
Low set fan speed.
Set the higher speed.
The filters, the fan or the regenerator are
contaminated.
Clean or replace the filter. Clean the fan and the
regenerator.
Noise, vibration.
The impeller is contaminated.
Clean the impeller.
Loose screw connection in the ventilator casing or
in the outer ventilation hood.
Tighten the screws of the ventilator or the outer
ventilation hood.
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range
from +5 ˚C to +40 ˚C and relative humidity up to 70 %.
• Storage environment must not contain aggressive vapors and chemical mixtures provoking corrosion, insulation, and sealing
deformation.
• Use suitable hoist machinery for handling and storage operations to prevent possible damage to the unit.
• Follow the handling requirements applicable for the particular type of cargo.
• The unit can be carried in the original packaging by any mode of transport provided proper protection against precipitation and
mechanical damage. The unit must be transported only in the working position.
• Avoid sharp blows, scratches, or rough handling during loading and unloading.
• Prior to the initial power-up after transportation at low temperatures allow the unit to warm up at operation temperature for at least
3-4 hours.