Smeg PGA32G Manual page 12

5.3 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 to ensure correct conbustion
make sure that all the openings and flame ports are clean and free of obstacles,
and the burners rest firmly on their supports.
Gas connection: the gas connection must be checked periodically.
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.
5.4 Problems and causes
Each of the following cases is caused by an abhnormal operation of the
appliance and should be dealt with by an authorised person: 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 .
Black deposits on the
bottom of the pans.
The flame is very short
and noisy. The flame
moves away from the
burner ports.
The flame extingulshes
when the burner knob is
set to the low flame
position.
The valve knob is hard to
rotate.
14
Instructions for the user
Defect of comburent air
or incorrect injectors.
Burner dirty or flame
ports obstructed.
Excess of comburent air. Call Service Center
Incorrect adjustment of
the minimum heat input
or excess of comburent
air.
Gas valve worn out or
needs lubrification.
CAUSE
Clean the burner.
Call Service Center if the
problem remains.
Call Service Center
Call Service Center
WHAT TO DO