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Instructions for the user
19
9.2.4 Ignition plugs and safety devices
For good functioning of the ignition plugs and the safety devices, keep them very
clean.
Check frequently and clean with a damp cloth when necessary.
9.3 Preventive maintenance
This appliance does not need any special maintenance. However, a few simple
operations have to be carried out periodically to prevent malfunctioning:
Burners: the burners must be cleaned periodically (once a year) to ensure correct
combustion; make sure that all the openings and flame ports are clean and free of
obstacles, and that the burners rest firmly on their supports.
Gas connection: the gas connection must be checked periodically. (every 2 years)
Flexible pipes: if a flexible pipe is used, it must be inspected periodically (once a
year) for leakages: if the surface of the pipe appears rigid and cracked, disconnect
immediately the cooker from the gas supply and replace the pipe with a new one.
Valves: if the gas valves get stuck or hard to turn, they need to be cleaned and re-
greased; this operation must be carried out by an authorised person.
10 PROBLEMS AND CAUSES
Each of the following cases is caused by an abnormal operation of the appliance and
should be dealt with by 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
Clean the burner.
Call Service Center if the
problem remains.
ports obstructed.
The flame is very short and
noisy. The flame moves
away from the burner ports.
Excess of comburent Call Service Center.
air.
The flame extinguishes
when the burner knob is set
to the low flame position.
Incorrect adjustment
of the minimum heat
input or excess of
Call Service Center.
comburent air.
The valve knob is hard to
rotate.
Gas valve worn out or
Call Service Center.
needs lubrification.