• the correct ignition of the burners and the
effectiveness of the fumes removal sy-
stem.
CHECKING THE GAS SUPPLY PRESSU-
RE
• To measure the gas supply pressure use
a manometer with a minimum definition of
0.1 mbar.
• Remove the control panel.
• Remove the screw from the pressure test
point PP and connect the manometer to
the test point.
• Make the measurement with the appliance
in operation.
ATTENTION ! If the gas supply pressure is
not within the limits ( Min. - Max ) indicated
in Table T2, cease operation of the applian-
ce and contact the gas utility company.
• Disconnect the manometer and retighten
the retaining screw on the pressure con-
nection.
ELECTRICAL APPLIANCES
Switch on the appliance as directed in the
instructions and reminders for use given in
Chapter " INSTRUCTIONS FOR USE " and
check:
• the current values of each phase.
• the correct operation of the heating ele-
ments.
15
TROUBLESHOOTING
GAS HOB
The pilot burner does not light
Possible causes:
• Insufficient gas supply pressure.
• Blocked tubing or nozzle.
• Defective gas tap or valve.
Pilot burner goes out during use
Possible causes:
• Insufficient gas supply pressure.
• Defective gas tap or valve.
• Defective thermocouple or insufficient he-
ating.
• Thermocouple incorrectly connected to
gas tap or valve.
• Knob of gas tap or valve not pressed suf-
ficiently.
The main burner does not light ( even
though pilot is lit )
Possible causes:
• Insufficient gas supply pressure.
• Blocked tubing or nozzle.
• Defective gas tap or valve.
• Defective burner ( gas outlet holes clog-
ged ).
16
REPLACING COMPONENTS
REMINDERS FOR REPLACING COMPO-
NENTS.
• Disconnect the appliance electrical power
supply, if present, before proceeding with
any operation.
• After replacing a gas system component,
check for gas leaks at connection points.
• After replacing an electrical system com-
ponent, check it is correctly wired.
GAS HOB
Replacing the gas tap.
• Remove and replace the component.
• Re-assemble all parts. For assembly, pro-
ceed in reverse order.
Replacing the pilot burner and thermo-
couple.
• Remove the panstand grids and burners
• Remove the 3 screws securing the venturi
to the hob and pull the venturi out by ap-
prox. 10 cm.
• Remove and replace the component.
• Re-assemble all parts. For assembly, pro-
ceed in reverse order.
17
CLEANING THE INTERIOR
• Check the condition of the inside of the ap-
pliance.
• Remove any built-up dirt.
11