www.blaubergventilatoren.de
Freshbox 110 (K1) (ErV)
17
TROUBLESHOOTING
PROBLEM
POSSIBLE REASONS
TROUBLESHOOTING
The fan(s) do(es) not get
started.
No power supply.
Make sure that the unit is properly connected to the power
mains and make any corrections, if necessary.
Cold supply air.
Extract filter clogging.
Clean or replace the extract filter.
Heat exchanger icing.
Check the heat exchanger for icing.
Stop the unit operation if necessary and wait until the ice
melts.
Low air flow.
Filters, fans or the heat
exchanger are soiled.
Clean or replace the filters, clean the fans and the heat
exchanger.
The ventilation system is soiled
or damaged.
Check the opening of diffusers and louvre shutters.
Check the exhaust hood and the supply grille and clean those,
if necessary.
Make sure the air ducts are clean and intact.
Noise, vibration.
The fan impeller is soiled.
Clean the impellers.
The screw connection is loose.
Tighten the fastening screws.
STORAGE AND TRANSPORTATION REGULATIONS
• Store the unit in the manufacturer’s original packaging box in a dry closed ventilated premise with temperature range +5...+40 ˚С
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 operating temperature for at least
3-4 hours.
