Rheavendors Group barista XX, Руководство по установке и обслуживанию

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there is a control causing the machine to reload water after a well-
defined number of dispensing cycles; otherwise, error 14 is
produced; make sure that the water supply from the outside is
correct (see 03.03.) and that the water circuit of the machine is
orderly (tubes, gaskets, …);
check the display board (see 05.38.b.);
a key of the selection keyboard is not operating (short-circuited); it
may also occur if an operator should operate it for too long while
programming the machine (keys 4 and 5 to increase and decrease
the quantities); (see 05.02. and 09.01.a.);
the 24 V dc power supply should exceed the limit value; replace
the CPU board (see 05.38.a.);
pay attention to the cause that has brought about the failure;
check the alternate power supply at the board input; the voltage
regulator might be faulty; replace the CPU board (see 05.38.a.);
the heat exchanger temperature has exceeded the one you have
programmed (see 09.01.e.); replace the temperature probe; the
device of the CPU board is not working according to control;
replace the CPU board;
temperature safety devices tripped; restore or replace them;
heating element not supplied or not operating; check the
connections and continuity of the heating element; if necessary,
replace it;
temperature probe interrupted; connector to the board, wiring;
make sure that the cable between the probe and the CPU board is
not interrupted or replace the probe;
they have the same meaning of errors 32A, B e C, but referred to
the boiler;
no water reload
display board
selection keyboard
out of order
24 V dc power supply
excessive
24 V dc power supply
inadequate or lacking
water temperature
high (E machines)
water temperature
low (E machines)
temperature probe
(E machines)
(I machines)
OFF 14
OFF 16
OFF 17
OFF 24A
OFF 24B
OFF 32A
OFF 32B
OFF 32C
OFF 33A, B, C
risoluzione
problemi
by
MAN1920124 rel. 01 dated 23.09.2011 page no. 38 of 48 pages