Vostermans Ventilation 50 - Malfunctions;Repairs

VF9670D (20-09-2012)
Translation of original user manual 27/47
10. Malfunctions/repairs
Caution: In case the fan does not rotate this may be caused by the
thermal protection. The fan turns on again automatically. Contact your
installer in case of malfunction.
To be checked by the installer:
• Is there a problem with the mains power supply?
• Is the fuse blown?
• Is the wiring loose?
• Are the bearings jammed?
• Is the impeller blocked?
Fault
Solution
Bearings noisy and/or turn difficult
Replace bearings
(1)
Fan does not start or rotates too
slow
No power supply:
• Turn on mains power supply
• Switch on controller
•
Check fuse and replace, if necessary
(1)
With power supply:
• Check capacitor and replace, if necessary
(1)
•
Check motor and replace, if necessary
(1)
Motor protection switch turns the
fan off
•
Clean
• Replace bearings
(1)
• Check motor and replace, if necessary
(1)
•
Repair or replace controller
(1)
(1)
Use original spare parts only!