Troubleshooting; Gas Fryers; Electric Fryers; Replacing Components - Bartscher 650 SNACK Serie Instrucciones Para Instalación, Uso Y Mantenimiento

16.1 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.
16.1.1 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 the 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.
16.2 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.

17 TROUBLESHOOTING

17.1

GAS FRYERS

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.
• Defective safety thermostat
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 .
• Defective safety thermostat
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 ).
Heating cannot be adjusted
Possible causes:
• Defective gas valve.
28
17.2

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.

18 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.
18.1 GAS FRYERS
Replacing the pilot burner, the thermocouples, the igni-
ters, the piezoelectric ignition and the safety thermostats
• Remove the control panel.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the gas valve, the burner and the oil drain tap
• Remove the control panel.
• Remove the bottom of the appliance.
• >Check for gas leaks at the connection points.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
18.2 ELECTRIC FRYERS
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 ( to remove them, loosen the screws holding the
support plates).
• Disconnect the electrical connections to other devices.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the working thermostat and safety thermostat
• Drain off all the oil from the well
• Remove the control panel.
• Release the thermostat bulb to be replaced; it is secured
between the heating elements with a fl exible clip.
• Disconnect the electrical connections to other devices.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.

19 CLEANING THE INTERIOR

• Check the condition of the inside of the appliance.
• Remove any built-up dirt.