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17 COMMISSIONING
Following installation, conversion to a different type of gas or
any maintenance operations, check appliance operation. In the
event of any malfunction, consult the next Paragraph "Trouble-
shooting".
17.1 GAS APPLIANCES
Switch on the appliance as directed in the instructions and re-
minders 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 effectiveness of the
fumes removal system.
17.1.1
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 on pressure test point PP and con-
nect the manometer to the test point.
•
Make the measurement with the appliance in operation.
IMPORTANT ! If the gas supply pressure is not within the limits
( Min. - Max ) indicated in Table T2 , cease operation of the
appliance and contact the gas utility company.
•
Disconnect the manometer and retighten the retaining screw
on the pressure connection.
17.2 ELECTRICAL APPLIANCES
Switch on the appliance as directed in the instructions and re-
minders for use given in Chapter " INSTRUCTIONS FOR USE
" and check:
•
the current values of each phase.
•
the correct operation of the heating elements.
18 TROUBLESHOOTING
REMINDERS FOR REPLACING COMPONENTS.
•
Disconnect the appliance electric supply, if present, before
carrying out 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.
18.1
GAS BRATT PAN
The pilot burner does not light
Possible causes:
•
Insuffi cient gas supply pressure.
•
Blocked tubing or nozzle.
•
Defective gas tap or valve.
•
Igniter defective or not properly connected.
•
Igniter or igniter wire defective.
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 a.
38
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 ).
•
Temperature thermostat defective.
Heating cannot be adjusted
•
Temperature thermostat defective.
Diffi cult or noisy operation of the pan moving device
•
Worn screw nuts require replacement.
•
Poor engagement of moving parts (screw nuts, bolt, pins, le-
vers, etc..).
18.2
ELECTRIC BRATT PAN
The appliance does not heat.
•
Defective heating element.
•
Temperature thermostat defective.
•
Safety thermostat tripped.
Heating cannot be adjusted
•
Temperature thermostat defective.
Diffi cult or noisy operation of the pan moving device
•
Worn screw nuts require replacement.
•
Poor engagement of moving parts (screw nuts, bolt, pins, le-
vers, etc..).
18.3
MULTI-PURPOSE APPLIANCE
The appliance does not heat.
Possible causes:
•
Temperature thermostat defective.
•
Heating elements defective.
•
Safety thermostat tripped.
Heating cannot be adjusted
Possible causes:
•
Temperature thermostat defective.
19 REPLACING COMPONENTS
REMINDERS FOR REPLACING COMPONENTS.
•
Disconnect the appliance electric supply, if present, before
carrying out 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.
19.1
GAS BRATT PAN
Replacing the gas valve, the pilot burner, the thermocou-
ple, the electric ignition and the igniter.
•
Remove the front panel.
•
Remove and replace the component.
•
Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the burner.
•
Remove the front panel.
•
Remove the fi xing screws of the front cover.
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