EN
10
M1.2.MV200PP-MV300PP-MV400PP.NLFREN 15062018
5 Maintenance
WARNING!
Risk of injury! Disconnect the ventilator from the power source before maintenance.
Electrical system
Check the power cable regularly for damage. If the power cord is damaged, it must be replaced by a qualified person.
Air outlet
Dust and other dirt can collect in the air outlet. The air outlet must be cleaned and removed regularly.
Housing
Clean the housing with a mild detergent and water.
External parts
Check all external parts to ensure they have been installed properly. Be alert for unusual noises.
Keep motor and wiring dry
Do not use a water duct or any pressurised washing device to clean your ventilator. If any electrical elements do get wet,
they must be dried immediately.
6 Troubleshooting
Problems
Possible causes
Solutions
Motor does not run
No power supply to the device
Connect device, check fuse
Switch/knob not turned on
Turn knob on / press power switch to ON
Fan wheel blocked
Inspect fan wheel and remove blockage
Air inlet or outlet is blocked
Remove blockage and clean air inlet and
outlet
The switch is broken
Return to service agent
Loose wiring
Return to service agent
Motor runs, but wheel spins
irregularly or hits sides
A heavy impact has bent the motor
suspension so that the wheel is stuck
Return to service agent
A heavy impact has let the motor slide
out of the suspension so that the wheel
is stuck
Return to service agent
Device vibrates excessively
Fan wheel is stuck
Clean fan wheel
Fan wheel is unbalanced
Return to service agent
Fan wheel is bent
Return to service agent
Motor shaft is bent
Return to service agent
Spare parts: see on page 11
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