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11TROUBLESHOOTING
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Thefollowing tableindicatesthepossibleerrororalarmcauseswhichmayleadtoapartialortotalarrestofthe
vending machine.
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The following is reported for each cause:
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•
associated code, reported in the error LOG;
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•
theconsequenceoftheoccurredeventonthevendingmachineoperationwhentheVMworksasasingle
machine for hot beverage brewing;
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•
theconsequenceoftheoccurredeventonthevendingmachineoperationwhentheVMworksinassociation
with one or two spiral slaves;
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a note to help identifying the warning and restore the normal operation.
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CauseError codeEffectNotes / Recommended Intervention
Flowmeter pulses not
detected
1Vending machine out of
service
Check the water network connection or fill
in the water tank
Coffee dosing unit filling not
detected (no more coffee?)
2Coffee beverages not
available
Fill in the coffee bean hopper.
Or check the coffee dosing unit operating
condition.
Group gearmotor
movement not detected
3 and 4Coffee beverages not
available
Check the brew group gearmotor and/or
the positioning microswitches.
reading of coffee boiler
temperature sensor out of range
14Vending machine out of
service
Check the coffee boiler (connections,
thermostats, temperature sensor)
Brew group not detected20Coffee beverages not
available
Warning report only in the LOG.
"No more coffee beans" message is displayed.
Check the brew group inserting status.
Water tank not detected21The message requesting to
insert the water tank
appears on the display.
Warning report only in the LOG.
Machine blocked and
waiting for servicing.
Insert water tank.
Abnormal coffee brewing
flow detected
22Coffee beverages not
available
Check the brew group cleaning.
Set a coarser coffee grind.
Check the flowmeter.
pump used beyond
maximum time limit
23Warning onlyCheck:
beverage programming, flowmeter and
water circuit.
No filling of the instant
product boiler
24Models with 2 boilers
==>beverages with instant
products not available
Check the instant product boiler water
circuit.
Instant Models ==> Vending
machine out of service
Decimal point position
setting not consistent with
the payment system
31Vending machine out of
service
Check for consistency between decimal
point settings in the vending machine and
in the payment system
Credit management restart32Warning onlyWarning report only in the LOG.
Warning for normal
situation restoring after
abnormal flow
34Warning onlyWarning report only in the LOG.
Check the ground coffee granulometry.
MDB slave error detected35Warning onlyWarning report only in the LOG.
Slow coffee boiler warm-up36Vending machine out of
service
Check the coffee boiler (connections,
thermostats)
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