Volum
ION
_UM_9752060610_NL_D_GB_F_V2_0 43
GB
8.3. Cleaning or replacing air filters
This paragraph only applies to blowers with air filters.
- Press the holder with grate to the fan while turning the holder to the left.
- Remove the grate from the air filter.
- Take the filter mat out of the filter housing.
- Clean or replace the filter mat.
- Place the filter mat on the grate in the filter housing with the solid side and printed surface
facing inwards.
- Place the holder on the filter housing and lock it by turning to the right.
9. Faults
Warning:
- Disconnect the power supply before carrying out work on the unit.
Table 1: Faults
Problem Cause
Solution
No high voltage
Power unit is defective
See power unit manual
Short-circuit in high voltage
cable
Rectify short circuit or replace
bar set
Poor ionisation
Dirty emitter points
Clean emitter points
Wrong
motor
rotation direction
Change direction of motor
rotation
Filter dirty
Clean or replace filter
Fan does not operate
(no air flow)
No voltage to fan
Check mains connection and
rectify if necessary
Motor faulty
Replace motor
Insufficient air flow
Air valve insufficiently
opened
Open the air valve
Filter
dirty/clogged
Clean or replace filter
Wrong
motor
rotation direction
Reverse motor rotation
direction (see chapter 5.4)
Motor protection switches
off
Mains voltage too high
Supply correct mains voltage
(check type plate and mains
voltage)
Motor faulty
Replace motor
Fan blades extremely dirty
Clean fan blades