KBS F64G8 Manuel D'instructions page 40

• Disconnect the manometer and retighten the retaining screw
on the pressure connection.
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.
15 TROUBLESHOOTING
GAS FRYERS
The pilot burner does not light
Possible causes:
• InsufÏcient gas supply pressure.
• Blocked tubing or nozzle.
• Defective gas tap or valve.
• Igniter defective or not properly connected.
• Igniter or igniter wire defective.
• Defective safety thermostat
Pilot burner goes out during use
Possible causes:
• InsufÏcient gas supply pressure.
• Defective gas tap or valve.
• Defective thermocouple or insufÏcient heating.
• Thermocouple incorrectly connected to gas tap or valve.
• Knob of gas tap or valve not pressed sufÏciently.
• Defective safety thermostat
The main burner does not light ( even though pilot is lit )
Possible causes:
• InsufÏcient gas supply pressure.
• Blocked tubing or nozzle.
• Defective gas tap or valve.
• Defective burner ( gas outlet holes clogged ).
Heating cannot be adjusted.
Possible causes:
• Defective gas valve.
ELECTRIC FRYERS
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.
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.
Replacing the oil drain tap
• Remove the control panel.
• Remove the bottom of the appliance.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
GAS FRYERS
Replacing the gas valve and safety thermostat.
• Drain off all the oil from the well
• Remove the control panel.
• Remove the bottom of the appliance.
• Unscrew the locking nut in the well.
• Remove and replace the component.
• Change the sensor/bulb sealing O-ring in the well.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the burner, the pilot burner, the thermocouple,
the piezoelectric ignition and the igniter.
• Remove the control panel.
• Remove the bottom of the appliance.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
ELECTRIC FRYERS
Replacing the working thermostat and safety thermostat.
• Drain off all the oil from the well
• Remove the control panel.
• Unscrew the locking nut on the heating element flange.
• Release the thermostat bulb to be replaced; it is secured
between the heating elements with a flexible clip.
• Disconnect the electrical connections to other devices.
• Remove and replace the component.
• Change the sensor/bulb sealing O-ring in the well.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the heating element
• Drain off all the oil from the well
• Remove the control panel and the cover protecting the wiring
of the heating elements.
• Release the thermostat bulbs secured between the heating
elements.
• Disconnect the electrical connections to other devices.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
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.
9