Astoria Plus4YouTS Use And Maintenance Manual page 65

ALARM
COFFEE WATER HEATING OUT OF
SERVICE ON GROUP #
FILLING TIMEOUT
FILLING TIMEOUT
SAFETY LEVEL
COFFEE WATER PRESSURE
GROUP #
VOLUMETRIC DOSING DEVICE
Technical manual
CAUSE
• Group water boiler heat circuit disconnected.
• Group water boiler coil interrupted.
• Safety thermostat open.
• Fuse F2 - F3 - F8 - F9 burned out.
FIRST INSTALLATION.
• The services boiler has not completed filling in the
maximum time (255 seconds).
• The level probe does not detect the presence of
water.
DURING OPERATION
• The services boiler has not completed filling in the
maximum time (90 seconds).
The water in the services boiler has dropped below
the minimum level.
The coffee boiler has not reached the filling pressure
in the maximum time (60 seconds).
Volumetric doser does not count water.
SOLUTION
Check group water boiler heating: heating element;
safety thermostat, fuses and triac in the control unit;
main switch; connection of the phases for 380V version.
If necessary replace the faulty components.
Check services boiler water filling hydraulic circuit:
• Check that there is actually water in the mains water supply.
• Check filling solenoid valve / pump filter
• Check fuse F3 of the control unit.
Check services boiler water filling hydraulic circuit:
• Check that there is actually water in the mains water supply.
• Check filling solenoid valve / pump filter
• Check fuse F3 of the control unit.
Check for correct connection of the minimum level probe.
Check hydraulic circuit of the coffee boiler:
• Check that there is actually water in the mains water supply.
• Check solenoid valve / pump filter
• Check volumetric doser (filter input / 0.5mm Gigler output).
• Check connection on the volumetric doser.
• Check that there is actually water in the mains water supply.
• Check pump filter / volumetric doser filter.
• Check 1mm group Gigler.
• Check 0.5mm volumetric doser Gigler.
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