Animo Optivend Choco Service Enclosure page 40

Minimum electrode error.
E7
Engineer
Minimum electrode error. Min.
electrode does not see water but
the max. electrode does.
Problem
1. The machine does
nothing, display is
switched off.
2. The machine does not
respond. Display is difficult
to read.
3. The machine does not
st
respond. 1 line of display
blocks are visible.
4. The machine does not
respond. Display works but
no drinks are dispensed.
5. Hot water and steam
escape from the bottom of
the machine.
service enclosure
Possible cause
Main switch not on.
No voltage. Fusing safety feature
of the relevant group has been
activated.
The 24 Vdc power supply has been
switched off by the overload.
The fuse of the 24 Vdc power
supply is faulty.
The 24 Vdc power supply is faulty.
The internal fuse (F 315mA) on the
main control PP34 is faulty.
The main controls are faulty.
The wire tree is faulty.
The machine is in stand-by mode.
Battery not activated after
interchanging the main board.
Mixer- or ingredient motor is
blocked. 24V power supply board
max currend protection is
activated.
The temperature sensor is loose or
not firmly attached to the wall of
the boiler.
The power relay is faulty.
40
Call the dealer or service engineer.
Check the electrode. Tip: check the
functioning of the level sensors with service
menu 2.9.1.
Action
Test the switch. Switch the switch
on or replace the switch.
Test the voltage and check the
group for overloads.
Test the fuses. Replace fusing
safety feature if necessary.
Switch the machine on/off for a
short period of time (#).
Test the fuses. Replace the fuses
if necessary (#).
Test the voltage of the power
supply to the controls. Replace the
power supply unit.
Test the fuses. Replace fuses if
necessary (#).
Replace if necessary (#).
Test the connection with the aid of
the circuit diagram. Repair any
faulty connections.
Press the stand-by button on the
service panel.
Position jumper next the battery.
First remove blocking (clean mixer
system or ingredient canister) and
reset the machine.
Check the fastening of the
temperature sensor. Fasten the
temperature firmly to the boiler
wall or replace the sensor.
Replace the power relay.
01/2007 (rev. 6) V2.0