Potato Warmer; Replacing Components; Reminders For Replacing Components; Gas Bain Marie - Mareno NB74G Instrucciones Para Instalación, Uso Y Mantenimiento

• Temperature thermostat defective.
• Heating elements defective.
• Safety thermostat tripped.
Heating cannot be adjusted
Possible causes:
• Temperature thermostat defective.
18.3

POTATO WARMER

The appliance does not heat.
Possible causes:
• Temperature thermostat defective.
• Heating elements defective.
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 BAIN MARIE

Replacing the gas valve and piezo igniter
• Remove the control panel.
• Remove the bulb from its seat on the well.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the main burner, pilot burner, thermocouple and
igniter
• Remove the control panel.
Remove the entire gas assembly ( cock, gas pipe, main and
pilot burner, front combustion chamber wall ).
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
19.2

ELECTRIC BAIN MARIE

Replacing the control knob, element and indicator light
• Remove the control panel.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the working thermostat and safety thermostat.
• Remove the control panel.
• Remove the bulb from its seat on the well.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
8
19.3 POTATO WARMER
Replacing the infrared heating
• Remove the healting support.
• Remove and replace the component.
• Re-assemble all parts. For assembly, proceed in reverse or-
der.
Replacing the heating element
• Pull out the control knobs , remove control panel and the con-
tainer.
• Disconnect the faulty heating element, removeand replace it.
Have care to fit in right position the fixing flange seal (better
replace it).

20 CLEANING THE INTERIOR

• Check the condition of the inside of the appliance.
• Remove any built-up dirt.
• Check and clean the fumes exhaust system.

21 MAIN COMPONENTS

21.1 GAS BAIN MARIE
• Gas tap
• Main burner
• Pilot burner
• Thermocouple
• Igniter
• Piezoelectric ignition
21.2 ELECTRIC BAIN MARIE
• Working thermostat
• Safety thermostat
• Heating element
• Indicator light
• Control knob
21.3 POTATO WARMER
• Working thermostat
• Indicator light
• Control knob
• Infrared heating element
• Heating element