5
4.1 Trouble-shooting
In case of problems with the unit, check the following:
The volume of air or the pressure is below the stated
level:
Check:
• Leaky hose/flanges.
• Bending hose inlet/outlet possibilities near the unit may
reduce the yield (e.g. 90° bend before the inlet).
• Damaged impeller.
• The suction net has been blocked by cotton waste, a
cloth or the like.
Vibrations and noise
Check:
• Elements coming from the outside are stuck in the unit.
• Damaged impellar or motor.
• The impellar is loose.
• The impellar may have become unstable, for instance
as a result of dirt on the impellers.
• The impellar is rotating in the wrong direction.
• The unit supplies more air than what it has been dimen-
sioned for. Use adjustment damper.
• Loose bolts or screws.
The motor is overloaded
Check:
• The cabling of the motor is correct.
• The motor shaft has been bent.
• The unit has over-capacity in relation to the resistance
in the system.
• The speed of the motor is too high.
• Defective motor – please contact your dealer!
5.0 Liability
Warranty
Geovent A/S grants a warranty for products, which
are defective, when it can be proved that the defects
are due to poor manufacture or materials on the part
of Geovent. The warranty comprises remedial action
(reparation or exchange) until one year after the date of
shipment.
No claims can be made against Geovent A/S in relation
to loss of earnings or consequential loss as a result of
defects on products from Geovent.
Wear on parts such as filter cartridges and hose is not
included in the warranty.
User liability
In order for Geovent to be capable of granting the decla-
red warranty, the user/fitter must follow this Instruction
manual in all respects.
Under no circumstances may the products be changed
in any way, without prior written agreement with
Geovent A/S.
Please refer to the current sales and delivery conditions
at www.geovent.com