5-36
ESPRESSO “ZERO BARISTA” COFFEE MACHINES - OPERATING INSTRUCTIONS
GENERAL
SAFETY
GENERAL
DESCRIPTION
USE
MAINTENANCE
TRANSPORT AND
INSTALLATION
ALARM CODE CAUSE SOLUTION
Lever serial communication ALx2
The lever card does not dialogue with the
display card for more than 5 secs.
It resets automatically by re-establishing
the connection with the display card
Motor point 0 recalibration AMx3
Motor has not finished the last command
imparted; e:g because of power failure;
number of pulses out of expected range; last
command terminated because of timeout,
the barista model has been configured,
during the test procedure the motor has
been put in motion
Reset by calibrating the point 0. During
some phases, this is made automatically
Brewing process timeout AIx Pulses of CV not read since 120 secs To next dose
Motor movement timeout AMx4
Motor has not reached the position in the
expected time
Reset by calibrating the point 0.
Flow calibration error AMx5 Position of motor encoder lower than 20 Reset by calibrating the flow
Boiler heating timeout AGx1
Boiler has not reached 40°C within 5 minutes
from heating activation
Reset by putting the machine in stand-by
and switching it On.
To Next Page
Loading...
