36
Troubleshooting
Problem
Possible cause
Solution
Both light and fan
do not work
No power / device cable not
connected properly
Check power supply and fuse,
connect cable correctly
Light on,
but fan does not work
Ventilation flap blocked
Eliminate blockage
Motor is demaged
Replace motor
Motor smells ominously
Motor is demaged
Replace motor.
Lighting does not work
Lamps are not fitted correctly
/ demaged
Check the lamp, whether it is
properly fitted / defective,
if necessary, replace lamp
Insufficient suction
Distance between hood and
hob too large
Readjust the distance to
65 - 75 cm
Too much drafts through open
windows or doors
Close doors and windows
Negative pressure in the room
due to insufficient air supply
Ensure sufficient fresh air
supply
Dirty filters
Clean grease filter(s),
replace carbon filter(s) at
least every 9 - 12 months
insufficient size of exhaust air
pipeline
Ensure cross section 150 mm
(from hood to wall box incl.)
Air flow blocked / slowed
Check air duct for blockages,
if necessary use outer cover
plate with movable louvres /
remove fly screen
Serious vibration of the
appliance
Fan blade demaged
Switch off the appliance,
repair by qualified personnel
only
Fan motor is not fixed tightly
Fix the motor properly
Hood is not fixed properly
Check wether bracket are in
proper position,
fix hood properly
Appliance is unstable
Appliance not permanently
mounted
Check the mounting
Fixing screws not tightened
Tighten fixing screws
7. Troubleshooting
7.1 Problems, possible causes and solutions
