59
of
76
TECHNICIANS manual
ENGLISH
12.
DISPLAY INDICATIONS
Code Indication
Cause
Action
A001 ALARM: Initial self-test
•
Negative initialization cycle.
•
Check the number of groups configured on
the machine.
•
Switch the machine off and back on..
A002 ALARM: date not set
•
No date and time.
•
Set the Date and Time.
A003 ALARM: NCT sensor failure on the card.
•
NTC card defective or open.
•
Switch the machine off and back on again.
•
If necessary, replace the card.
A004 ALARM: Steam boiler NTC probe failure
•
Services boiler temperature probe discon-
nected or faulty.
•
Check for proper connection of the cervices
boiler probe.
•
If necessary, replace the probe.
A005 ALARM: Cup-warmer NTC probe failure
•
Cup heater temperature probe disconnected.
•
Temperature probe in short circuit.
•
Cup heater overtemperature.
•
Check for proper connection of the cup heater
probe.
•
If necessary, replace the probe.
A006 ALARM: Autosteamer NTC probe failure
•
Autosteamer temperature probe disconnected.
•
Autosteamer probe in short circuit.
•
Autosteamer probe overtemperature.
•
Check for proper connection of the Au-
tosteamer probe.
•
If necessary, replace the probe.
A007 ALARM: Card overheating warning
•
Card above the warning temperature.
•
Turn the machine off and wait a few minutes.
A008 ALARM: Card overheating
•
Card above the safety temperature.
•
Turn the machine off and wait a few minutes.
A009 ALARM: Inlet dispenser;
•
Volumetric dispenser does not measure the
water. 6 seconds have elapsed since the last
pulse received by the dispenser.
•
Check connection on the volumetric dispenser.
•
Check that there is actually water in the mains
water supply.
•
Check pump filter / volumetric dispenser filter.
•
Check the 1 mm group output JET.
•
Check the output JET of the 0.5 mm. volumetric
dispenser.
A010 ALARM: Steam boiler heating timeout
•
Services boiler heat circuit disconnected.
•
Safety thermostat open.
•
Fuse F9 burned out.
•
Faulty static relays.
•
Check services boiler heat circuit, if necessary
replace burned out parts.
A011 ALARM: Steam boiler safety level
•
The water in the services boiler has dropped
below the minimum level.
•
Switch the machine off and back on again.
•
Check that the probe is not dirty with lime-
stone.
•
Check for correct connection of the minimum
level probe.
•
Check for the smooth passage of water in the
boiler.
A012 ALARM: Initial steam boiler filling
timeout
First installation:
•
The services boiler has not completed filling in
the maximum time (255 seconds).
•
The level probe does not detect the presence
of water.
Check services boiler water filling hydraulic
circuit:
•
Switch the machine off and back on again.
•
Check that there is actually water in the mains
water supply.
•
Check filling solenoid valve / pump filter
•
Check fuse F1 of the control unit.
A013 ALARM: Steam boiler filling timeout
During operation:
•
The services boiler has not completed the filling
in the maximum time (45 seconds).
Check services boiler water filling hydraulic
circuit:
•
Switch the machine off and back on again.
•
Check that there is actually water in the mains
water supply.
•
Check filling solenoid valve / pump filter
•
Check fuse F1 of the control unit.
