La Pavoni DAYTONA 1-POWER, Технические инструкции

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383033GB Pag. 69 November 2003
18) Machine shutdown alarm
MACHINE SHUTDOWN
Cause: the group has reached the number of programmed cycles (see chapter system programming configuration data
preset).
Result: the machine shuts down.
Solution: check the group and cancel the alarm following the procedure of the chapter system programming reset info
system data.
19) Intervention of steam boiler safety thermostat
Cause: Overheating of the steam boiler electric element occurred
Result: the thermostat blocks the supply of the electric element
WARNING:
Before the safety thermostat sets in, the alarm of the steam boiler temperature could set in:
SELECT DRINK
Solution: carry out the following controls:
1) Level probes are both earthen
2) Temperature probe stopped
3) Contacts of the heating electric switch of the coffee boiler are stuck
4) Software problem (carry out machine preset)
5) Faulty
central unit
WARNING:
To activate the safety thermostat, it is necessary to press the button placed at the centre of the thermostat itself. The
thermostat is placed on the rear part of the machine between the two boilers.
Cause: the water level in the boiler has dropped lower than the electric element.
Result: the heating is disabled.
Solution: carry out the following controls.
1) level probe (SLC) and safety probe (SLS) are earthen.
2) level probe (SLC) earthen and electromagnetic switch with stuck contacts
20) Intervention of steam boiler safety probe
If the safety probe of the steam boiler sets in, the temperature of the steam boiler could be displayed:
SELECT DRINK
Cause: overpressure in the steam boiler
Result: the 1.7-1.9 bar safety valve opens and releases steam in the upper part of the machine
Solution: carry out the following controls
1) Temperature probe of the steam boiler (see temperature alarm in the steam boiler)
2) Contacts of the electromagnetic switch of the electric element are stuck