Rheavendors Group XX OC, Руководство по установке и обслуживанию

Страница: 38 / 40

MAN1910117 V.7 – 15/11/2012 38
18 Troubleshooting
18.1 Alarms visualised by the machine
The problems described in this section are shown by an error message on the display of the machine.
WARNING : to reset the machine after an alarm please switch off it using the main interrupter.
SYMPTOM PROBABLE CAUSE REMEDY
The display shows
"OFF2": the machine
is out of order
No serial link between the CPU
board and the serial payment
system. Check the programming of the payment system
(see section "Presetting the payment systems")
Check the connection of the payment system to
the CPU board
The payment system is not
powered or is faulty. Make sure that the payment system is working
Jammed coin inside the selector Remove the coin
The display shows " NO
READER
CONNECTED
"
No serial link the CPU board and
the RFID payment system. Check the phone cable between RFID reader
and CPU board.
Switch off and on the machine
The display shows
"OFF5": the machine
is out of order
One or both EAROM memories
are faulty Replace them
The display shows
"OFF 6A" the machine
is out of order
No water
Wait until the mains water pressure is reset [R
version]
Open the water supply [R version]
The safety on the water inlet
solenoid valve is activated Reset the safety on the solenoid valve [R
version]
Fill in the inside water tank [A version]
The display shows
"OFF 6B" the machine
is out of order
Bad working of a pump motor Check possible water links of the refilling water
tank.
The display shows
"OFF6C": the
machine is out of
order
No water inside the water tank. Check the water level sensors and eventually
replace it.
The display shows "
OFF 7"
Check the volumetric counter Dismount and clean the volumetric counter
The brewing time of coffee is too
long Adjust the grinding by acting on the special ring
nut of the grinder or suitably programme the
quantity of ground coffee adjusting the doser
wheel
Programme an adequate quantity of water
The display shows "
OFF 8”
The coffee group does not return
to rest position Check the micro-switch of the position of the
group and the correct power supply at the coffee
group motor.
Remove the group, clean and grease it.
The display shows "
OFF 8A"
The coffee group is not in its
right position or is missing.
Check coffee group and the micro-switch
presence coffee group.
The display shows "
OFF 8B"
The inlet water pipe of the coffee
group is not correctly inserted. Check the inlet water pipe of the coffee group
and its micro-switch.