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5. Trouble shooting
MALFUNCTION
POSSIBLE CAUSE
MEASURE
The appliance does not work at all.
The plug of the appliance is not
connected to the socket.
The plug has become loose.
The socket is not supplied with
energy.
The fuse is switched off.
Check the corresponding socket by
connecting it with another appliance.
Check the fuse.
The voltage is too low. Compare the
data on the model plate with the data
of your energy supplier.
Light is on but motor does not work.
Ventilation damper blocked.
Motor mounting defective.
Remove blockage.
Replace motor.
Abnormal motor-smells.
Motor is defective.
Replace motor.
Smear of oil.
One-way valve is leaky
Connection base chimney-telescopic
chimney is leaky.
Seal the valve.
Seal the connection with a suitable
material.
Appliance vibrates.
Motor not properly fixed.
Hood not properly fixed.
Fix motor properly.
Fix hood properly.
Insufficient extracting capacity.
Too much distance hood-hob .
Too much draught because of open
doors and/or windows.
Lower position of hood.
Close the doors/windows.
Appliance is unstable.
Mounting rail is not firmly fixed.
Screws are not firmly tightened.
Fix mounting rail properly.
Tighten the screws.
If the hood does not work properly and/or you can hear increased operating noise,
check the schedule below:
Incorrect dimension of the air duct.
Obstruction in the air duct.
The diameter of the air duct from hood to wall-box inclusive should be 120
mm; otherwise the capacity of the motor may be decreased.
If you have installed a fly screen on the wall-box, the air vent may be
obstructed. Check by removing the fly screen.
If the cover panel of the wall box is equipped with firm and slanted slats, the air
vent may be obstructed. Check by removing the cover panel.