29
Instructions for maintenance
REMINDERS FOR THE MAINTENANCE TECHNICIAN
The manufacturer will not be liable for any damage or
injury resulting from failure to observe the following
rules.
•
Read this manual carefully. It provides important
information for safe installation, use and maintenance of
the appliance.
•
Disconnect the appliance electrical power supply, if
present, before proceeding with any operation.
•
Installation, conversion to a diff erent type of gas
and appliance maintenance must be carried out by
qualifi ed technicians authorized by the manufacturer,
in compliance with current safety standards and the
instructions given in this manual.
•
Identify the specifi c appliance model. The model number
is detailed on the packaging and on the appliance data
plate.
•
The appliance must be installed in a well-ventilated
room.
•
Do not obstruct any air vents or drains present on the
appliance.
•
Do not tamper with appliance components
COMMISSIONING
Following installation or any maintenance operations, check
appliance operation. In the event of any malfunction, consult
the next paragraph “Troubleshooting”.
GAS APPLIANCES
Switch on the appliance as directed in the instructions and
reminders for use given in Chapter “ INSTRUCTIONS FOR
USE “ and check:
•
the gas supply pressure ( see next Paragraph ).
•
the correct ignition of the burners and the eff ectiveness
of the fumes removal system.
CHECKING THE GAS SUPPLY PRESSURE
To measure the gas supply pressure use a manometer
with a minimum defi nition of 0.1 mbar.
Remove the control panel.
Remove the screw from the pressure test point PP and
con-nect 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 ap-pliance and contact the gas utility
company.
•
Disconnect the manometer and retighten the
retaining screw on the pressure connection.
15. TROUBLESHOOTING
GAS HOB
The pilot burner does not light
Possible causes:
•
Insuffi
cient gas supply pressure.
•
Blocked tubing or nozzle.
•
Defective gas tap or valve.
Pilot burner goes out during use
Possible causes:
•
Insuffi
cient gas supply pressure.
•
Defective gas tap or valve.
•
Defective thermocouple or insuffi
cient heating.
•
Thermocouple incorrectly connected to gas tap or
valve.
•
Knob of gas tap or valve not pressed suffi
ciently.
The main burner does not light (even though pilot is lit)
Possible causes:
•
Insuffi
cient gas supply pressure.
•
Blocked tubing or nozzle.
•
Defective gas tap or valve.
•
Defective burner ( gas outlet holes clogged ).
16. REPLACING COMPONENTS
REMINDERS FOR REPLACING COMPONENTS
•
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 component, check it
is correctly wired.
GAS HOB
Replacing the gas tap.
•
Remove the control panel.
•
Remove and replace the component.
•
Re-assemble all parts. For assembly, proceed in
reverse order.
Replacing the pilot burner and thermocouple.
•
Remove the control panel.
•
Remove the panstand grids, containers and burners.
•
Remove and replace the component.
•
Re-assemble all parts. For assembly, proceed in
reverse order.
17. CLEANING THE INTERIOR
•
Check the condition of the inside of the appliance.
•
Remove any built-up dirt.
•
Check and clean the fumes exhaust system.
18. MAIN COMPONENTS
GAS HOB
•
Gas tap
•
Main burner
•
Pilot burner
•
Thermocouple
