Saeco IPERAUTOMATICA PREMIUM D.A. 3P2016 Operation And Maintenance Manual page 63

11 TROUBLESHOOTING
The following table indicates the possible error or alarm causes which may lead to a partial or total arrest of the
vending machine.
The following is reported for each cause:
• associated code, reported in the error LOG;
• the consequence of the occurred event on the vending machine operation when the VM works as a single
machine for hot beverage brewing;
• the consequence of the occurred event on the vending machine operation when the VM works in association
with one or two spiral slaves;
• a note to help identifying the warning and restore the normal operation.
Cause
Flowmeter pulses not
detected
Coffee dosing unit filling not
detected (no more coffee?)
Group gearmotor
movement not detected
reading of coffee boiler
temperature sensor out of range
Brew group not detected
Water tank not detected
Abnormal coffee brewing
flow detected
pump used beyond
maximum time limit
No filling of the instant
product boiler
Decimal point position
setting not consistent with
the payment system
Credit management restart
Warning for normal
situation restoring after
abnormal flow
MDB slave error detected
Slow coffee boiler warm-up
Error code
1 Vending machine out of
service
2 Coffee beverages not
available
3 and 4 Coffee beverages not
available
14 Vending machine out of
service
20 Coffee beverages not
available
21 The message requesting to
insert the water tank
appears on the display.
Machine blocked and
waiting for servicing.
22 Coffee beverages not
available
23 Warning only
24 Models with 2 boilers
==>beverages with instant
products not available
Instant Models ==> Vending
machine out of service
31 Vending machine out of
service
32 Warning only
34 Warning only
35 Warning only
36 Vending machine out of
service
Effect Notes / Recommended Intervention
Check the water network connection or fill
in the water tank
Fill in the coffee bean hopper.
Or check the coffee dosing unit operating
condition.
Check the brew group gearmotor and/or
the positioning microswitches.
Check the coffee boiler (connections,
thermostats, temperature sensor)
Warning report only in the LOG.
"No more coffee beans" message is displayed.
Check the brew group inserting status.
Warning report only in the LOG.
Insert water tank.
Check the brew group cleaning.
Set a coarser coffee grind.
Check the flowmeter.
Check:
beverage programming, flowmeter and
water circuit.
Check the instant product boiler water
circuit.
Check for consistency between decimal
point settings in the vending machine and
in the payment system
Warning report only in the LOG.
Warning report only in the LOG.
Check the ground coffee granulometry.
Warning report only in the LOG.
Check the coffee boiler (connections,
thermostats)
English
63