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Professional Cleaning Machines Since 1968
8.4 - ALARMS DURING THE FUNCTIONING (Fig. 9)
If the machine malfunctions, the display (38) will indicate the alarm type, according to the
following list.
In order to restore the machine's proper functionality, consult the list below and perform the
recommended procedures.
If the recommended actions should not resolve the problem, contact Technical Assistance.
Alarm
AL_1: Function
Brush Amp.
AL_2: Function
Aspirator Amp.
AL_3: Function
Power failure
AL_4: Function
Overcurrent
AL_5:
Function
Overtemperature
AL_6: Function
Act1:endsw fail
AL_7: Function
Act2:endsw fail
AL_8: Function
Act1:timeout
AL_9: Function
Act2:timeout
Meaning
Brush amperometric
protection
Aspirator amperometric
protection
Power stage damaged
Overcurrent on brush or
aspirator outputs
Thermal protection on
brush/aspirator stage
Brushes actuator limit
switch reading anomaly
Wiper actuator limit switch
reading anomaly
Brushes actuator:
final position not reached
Squeegee actuator:
final position not reached
EN - 13
Solution
Check the brush operating
mode. High brush motor
working current detected.
Check aspirator motor ab-
sorption. High aspirator mo-
tor working current detected.
Damaged aspirator or brush
power stage: replace card.
Short circuit detected on
brush or aspirator motor out-
put: check connections and
motor state.
Brush and aspirator power
stage overheating: check ab-
sorption.
Anomalies in the limit switch
configuration.
Check
brushes actuator limit switch-
es connections and status.
Anomalies in the limit switch
configuration.
Check
wiper actuator limit switches
connections and status.
Brushes actuator position
not reached within the max-
imum expected time. Check
the
actuator
connections
and/or possible mechanical
obstacles.
Squeegee actuator position
not reached within the max-
imum expected time. Check
the
actuator
connections
and/or possible mechanical
obstacles.
the
the