Gastro-M 70/40 BME Series, Installation, Use And Maintenance Manual

Page: 14 / 125

14
THE MAIN BURNER DOES NOT LIGHT (EVEN
THOUGH PILOT IS LIT).
Possible causes:
- Insufficient 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 tap or valve.
ELECTRIC BAIN MARIE
THE APPLIANCE DOES NOT HEAT.
Possible causes:
- Temperature thermostat defective.
- Heating elements defective.
HEATING CANNOT BE ADJUSTED.
Possible causes:
- Temperature thermostat defective.
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
SHUT THE GAS SHUT-OFF VALVE
AND/OR SWITCH THE APPLIANCE OFF AT
THE MAIN SWITCH INSTALLED
UPSTREAM.
AFTER REPLACING A GAS SYSTEM
COMPONENT, CHECK FOR GAS LEAKS AT
CONNECTION POINTS.
DISCONNECT THE APPLIANCE ELECTRIC
SUPPLY, IF PRESENT, BEFORE CARRYING
OUT ANY OPERATION.
AFTER REPLACING AN ELECTRICAL
SYSTEM COMPONENT, CHECK IT IS
CORRECTLY WIRED.
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.
- Reassemble all parts. For assembly, proceed in
reverse order.
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.
- Reassemble all parts. For assembly, proceed in
reverse order.
ELECTRIC BAIN MARIE
REPLACING THE HEATING AND LIGHT GLOWS.
- Remove the control panel.
- Remove and replace the component.
- Reassemble all parts. For assembly, proceed in
reverse order.
REPLACING THE WORKING THERMOSTAT.
- Remove the control panel.
- Remove the bulb from its seat on the well.
- Remove and replace the component.