5-35
C H A PT E R 5 - U S E
GENERAL
SAFET
Y
GENERAL
DESCRIP
TION
USE
MAINTENANCE
TRANSP
OR
T AND
INS
TALLA
TION
5.14.1 Group alarms
The letter x in the “Code” column indicates the name of the group.
ALARM
CODE
CAUSE
SOLUTION
Timeout contatore volumetrico
AFx
Pulses of counter not read since 6 secs.
It resets if pulses are read again. If not,
the “brewing process” alarm will trigger.
Motor pulse failure
AMx1
While motor moves, the relevant pulses are
not read
Reset by calibrating the point 0
Motor start alarm
AMx2
Motor has encountered an unexpected
mechanical lock
Reset by adjusting the point 0
Minimum boiler temperature
of group x, short-circuited
sensor
AGx3
Temperature detected is lower than 0°C
Steam distribution shuts off. Press DEL
key on the display to cancel the alarm
Maximum boiler temperature
of group x, sensor interrupted
AGx2
Temperature detected is higher than 127°C
It resets automatically when temperature
goes below 126,5°C
Lever position alarm
ALx1
Wrong lever position while coffee dispensing
is not in progress: e.g.: the lever is between
two positions
Move the lever to rest position
