Maico MDR EC Série Notice De Montage Et Mode D'emploi page 110

MDR .. EC
VENTILATOREN
that air ways are free.
Cause 3: Air ways blocked
Measure: Check that the air ways are free
(supply/exhaust shutters, protective grille,
filter).
Vibrations/unusual noises
Cause 1: Imbalance, impeller rubbing
Measure: Check impeller for damage, dirt or
icing. Remove foreign objects and deposits on
the impeller and in the housing. Ensure that air
ways are free.
Cause 2: Bearing faulty/worn.
Measure: Replace fan.
ModBus
For settings ModBus information sheet at

www.maico-ventilatoren.com.
MDR-PG malfunctions:
Cause: Pressure is not registered correctly.
Measure: Check pressure tubing, pressure
transducer and insect protection funnel for
contamination
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FIG
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UK