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7. 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.
condenser defective.
motor mounting defective.
remove blockage.
replace condenser.
replace motor.
Abnormal motor-smells.
motor 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
The hood does not work properly/you can hear increased operating noise.
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 150 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.
