95
2017/08 Rev. 2.0
EN
OptiBean NG /OptiBean XL NG
10.4 Troubleshooting
Display
Possible cause
Action
Out of service
E3 Fill error
Boiler is filling too slowly.
During commissioning the inlet
valve KW1 must have filled the
boiler within 180 seconds.
Check the water pressure, fully open
the water supply tap, check the con-
necting hose for kinks.
Switch the machine off and on again.
E5 Brewer error
Brewer does not run to BREW
position (closed) during brewing
proces. Detected by brewer switch
1 (right).
Check whether the brewer is properly
positioned in the motor unit. Check
brewer switch 1 & brewer lever right
for correct operation in the service
menu
2.7 Hardware test
E6 Boiler temperature
Temperatuur sensor measures a
temperature over 105°C
Check the water supply for air.
Check the temperature sensor
operation in the service menu
2.7
Hardware test
Check whether the boil-dry protection
was activated. Reset as necessary.
E8 Mixer 2 error
Mixer 2 motor stalled.
Mixer 2 motor output(s) overloaded
(current too high). The control has
disabled the output.
Check whether mixer 2 is contami-
nated or incorrectly mounted. Clean
and/or check whether the rotor turns
freely.
Switch the machine off and on again.
E10 Valve error
Valve output(s) overloaded (current
too high). The control has disabled
the output.
Check the valves and wiring for short
circuits. Switch the machine off and
on again.
E11 Ingredient motor
error
Ingredient motor(s) stalled.
Ingredient motor output(s) overloa-
ded (current too high). The control
has disabled the output.
Check the operation of the drive
motors in the service menu
2.7 Hard-
ware test
. Empty the canister(s) and
clean thoroughly.
Switch the machine off and on again.
E13 Mixer group error
Brewer and Mixer output group
overloaded (current too high). The
control has disabled the output.
Carry out the checks as specified for
E7 and E8. Switch the machine off
and on again.
E14 Output group error
Ingredient motor output group
overloaded (current too high). The
control has disabled the output.
Carry out the checks as specified for
E11.
Switch the machine off and on again.
Valve output group overloaded
(current too high). The control has
disabled the outputs.
Carry out the checks as specified for
E10. Switch the machine off and on
again.
E17 MDB error
There is no communication bet-
ween the machine and the MDB
payment system.
Check the connection between the
machine and the MDB payment
system.
E18 Mixer group FET
error
Brewer or mixer motor output
remains activated.
Brewer or mixer motor output (FET)
defective. Replace control.
Summary of Contents for optibean ng
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