Unic Stella di Caffe - Page 66

66
FAULT
CODE
COMPONENTS CONCERNED POSSIBLE CAUSES CONSEQUENCES
CONDITIONS FOR EXIT
OF THE SECURITY
14 DO1 Doser, GROUP 1
disconnected, absence of signal:
- Check the sensor and the wiring
Manual dosing alarm
Automatic if fault
eliminated
15 DO1 Doser GROUP 1
short circuit:
- Check the component and the wiring
Manual dosing alarm
Automatic if fault
eliminated
16 DO1 Doser, GROUP 1
Interruption in counting for more than 5
seconds:
- Check that the doser turbine turns freely
and check the wiring (bad contact)
Manual dosing alarm
Automatic if fault
eliminated
17 DO1 Doser, GROUP 1
Infusion time more than 110 seconds,
insufficient flow:
- Check the cleanliness of the hydraulic
circuit or increase the grain size.
Infusion cycle stops
Automatic if fault
eliminated
18 EH1
DOSAMAT sensor,
GROUP 1
disconnected, absence of signal:
- Check the sensor and the wiring
Manual start alarm
Automatic if fault
eliminated
19 EH1
DOSAMAT sensor,
GROUP 1
short circuit:
- Check the component and the wiring
Manual start alarm
Automatic if fault
eliminated
20 TS2
Safety thermostat on
GROUP 2
triggered following overheating
- Check the regulation circuit SR2 and the
thermostat TS2 (manual reset)
Heating stopped on Group
2 - Control box BG2 on
stand-by
Fault eliminated and
manual reset of TS2 and
machine reset
21 SR2
Thermostat sensor,
GROUP 2
disconnected, absence of signal:
- Check the sensor and the wiring
Heating stopped on Group
2 - Control box BG2 on
stand-by
Fault eliminated and
machine reset performed
22 SR2
Thermostat sensor,
GROUP 2
short circuit:
- Check the sensor and the wiring
Heating stopped on Group
2 - Control box BG2 on
stand-by
Fault eliminated and
machine reset performed
23 SR2
Thermostat sensor,
GROUP 2
Reading outside the authorised range:
- Check the programmed value and the
sensor.
Heating stopped on Group
2 - Control box BG2 on
stand-by
Automatic if fault
eliminated
24 DO2 Doser, GROUP 2
disconnected, absence of signal:
- Check the sensor and the wiring
Manual dosing alarm
Automatic if fault
eliminated
25 DO2 Doser, GROUP 2
short circuit:
- Check the component and the wiring
Manual dosing alarm
Automatic if fault
eliminated
26 DO2 Doser, GROUP 2
Interruption in counting for more than 5
seconds:
- Check that the Doser, turbine turns freely
and check the wiring (bad contact)
Dosage alarm or manual
stop
Automatic if fault
eliminated
27 DO2 Doser, GROUP 2
Infusion time more than 110 seconds,
insufficient flow:
- Check the cleanliness of the hydraulic
circuit or increase the grain size.
Infusion cycle stops
Automatic if fault
eliminated
28 EH2
DOSAMAT sensor,
GROUP 2
disconnected, absence of signal:
- Check the sensor and the wiring
Manual start alarm
Automatic if fault
eliminated
29 EH2
DOSAMAT sensor,
GROUP 2
short circuit:- Check the component and the
wiring
Manual start alarm
Automatic if fault
eliminated
30 TS3
Safety thermostat on
GROUP 3
triggered following overheating
- Check the regulation circuit SR3 and the
thermostat TS3 (manual reset)
Heating stopped Group 3
box BG3 on stand-by
Fault eliminated and
manual reset of TS3 and
machine reset
31 SR3
Thermostat sensor,
GROUP 3
disconnected, absence of signal:
- Check the sensor and the wiring
Heating stopped Group 3
box BG3 on stand-by
Fault eliminated and
machine reset performed
32 SR3
Thermostat sensor,
GROUP 3
short circuit:
- Check the sensor and the wiring
Heating stopped Group 3
box BG3 on stand-by
Fault eliminated and
machine reset performed