Instructions for the user
10. PROBLEMS AND CAUSES
Each of the following cases is caused by an abnormal operation of the
appliance and should be dealt with by a authorised persons: please
contact your local dealer or Service Center in case you detect any of
these malfunctioning.
PROBLEM
The flame is very long with
bright yellow tips.
Black
deposits
bottom of the pans.
The flame is very short and
noisy. The flame moves
away from the burner ports.
The
flame
extinguishes
when the burner knob is set
to the low flame position.
The valve knob is hard to
rotate.
24
Defect of comburent air
or incorrect injectors.
on
the
Burner dirty or flame
ports obstructed.
Excess of comburent
air.
Incorrect adjustment of
the minimum heat input
or excess of comburent
air.
Gas valve worn out or
needs lubrification.
CAUSE
WHAT TO DO
Clean the burner.
Call Service Center if the
problem remains.
Call Service Center.
Call Service Center.
Call Service Center.