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Instructions for the user
27
9.3 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
CAUSE
WHAT TO DO
The flame is very long with
bright yellow tips.
Black deposits on the
bottom of the pans.
Defect of comburent air or
incorrect injectors.
Burner dirty or flame ports
obstructed.
Clean the burner.
Call Service Centre if the
problem remains.
The flame is very short
and
noisy. The flame moves
away from the burner
ports.
Excess of comburent air.
Call Service Centre.
The flame extinguishes
when the burner knob is
set to the low flame
position.
Incorrect adjustment of the
minimum heat input or
excess of comburent air.
Call Service Centre.
The valve knob is hard to
rotate.
Gas valve worn out or
needs lubrification.
Call Service Centre.
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