La San Marco TOP 85 Use And Maintenance page 65

11.3 Technical service signalling screen
Screen 34
RECOMMENDED
MAINTENANCE
Screen 35
SERVICE
RESET
11.4 Boiler water level alarm signalling screen
Screen 36
WATER LEVEL LOW
Screen 37
WATER LEVEL TOO
HIGH
11.5 Boiler temperature alarm signalling screen
Screen 38
ALARM
BOILER TEMP.
Screen 39
ALARM
TEMP. PROBE
11.6 Check grinding/dose signalling screen
Screen 42
CHECk G2
GRINDING/DOSE
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Need for technical service check signalling screen.
This screen indicates that the machine should be checked by techni-
cal service and appears when the value set on screen 27 is reached
or exceeded.
The warning is shown for 5 seconds after each brewing operation,
but does not block the possibility of brewing coffee.
To reset the signal and make the relative counter restart from 0, press
the  /  buttons at the same time for at least 2 seconds.
Once the counter is reset, screen 35 is displayed.
Need for technical service check signalling reset screen.
This screen signals that the need for a technical service check alarm
was reset.
Pressing ESC returns to the machine ready screen (screen 2).
low boiler water level alarm signalling screen.
This screen signals that the water in the boiler is too low.
The signal disappears only after the level has been corrected.
Boiler water level too high alarm signalling screen.
This screen signals that the water in the boiler is too high.
The signal disappears only after the level has been corrected.
Boiler temperature alarm signalling screen.
If the boiler temperature probe is short circuiting or if the tempera-
ture is higher than the threshold of 140°C for more than 5 consecu-
tive seconds, the alarm goes off, making all the button LEDs flash
and displaying screen 38.
All main dosing functions are inhibited. The keyboards are disabled
and all actuators are inhibited from operating.
The alarm only disappears after the temperature returns within ac-
ceptable values.
The warning disappears when the machine is turned Off.
Boiler temperature probe alarm signalling screen.
If the boiler temperature probe is disconnected or interrupted, within
5 seconds an alarm goes off, making all keyboard LEDs flash and
displaying screen 39.
All main dosing functions are inhibited. The keyboards are disabled
and all actuators are inhibited from operating.
The alarm only disappears after the probe is reconnected.
The warning disappears when the machine is turned Off.
Check grinding/dose signalling screen.
At the end of every brewing operation, a ratio is calculated between
the quantity brewed and the duration. If the result lies outside the
range defined by the parameter on screen 40, the display will indicate
ChECk GRINDING/DOSE, also indicating the unit with the error.
The signal disappears after 5 seconds.