3.6
Alarm Table
3.6.1
Alarms of Overcurrent and Temperature
Id Alarm
Meaning
Solution
AL 1: Function
Amp. Brush
Brush Amperometric Protection
Check consumption of the brush motor. Detected high current
on brush motor.
AL 2: Function
Amp. Vacuum
Vacuum Amperometric Protec-
tion
Check consumption of the vacuum motor. Detected high cur-
rent on vacuum motor.
AL 3: Function
Power Broken
Damage of Power
Damage power of brush or vacuum: replace the main card.
This alarm could be shown also during the trailing of the ma-
chine.
AL 4: Function
Overcurrent
Output overcurrent on brush or
vacuum
Detect a shortcircuit on output brush motor or vacuum motor:
Check connections and motors.
AL 5: Function
Overtemperature
Thermal
protection
on
brush/vacuum
Overtemperature of brush/vacuum motor: check consump-
tion of motors.
AL 6: Function
Actuator Anomaly
Anomaly on the reading of the
brushdeck actuator
When switch-on the machine, 1 microswitch is open: check
the scrubdeck microswitches and its cables, and the scrub-
deck position.
AL 7: Function
Squeegee
Actuator
Anomaly
Anomaly on the reading of the
brushdeck actuator
When switch-on the machine, 1 microswitch is open: check
the scrubdeck microswitches and its cables, and the scrub-
deck position.
AL 8: Function
Actuator Stroke
End Position not reached
Check the connections of the actuator.
AL 9: Function
Squeegee
actuator
Stroke
end position not reached
Check the connections of the actuator.
AL 10: Function
Battery not connected
The Battery is not connected
Check the correct connection of the battery cables and their
connections on the electrical control board.
3.6.2
Traction Alarms
Id Alarm
Meaning
Solution
AL 13: Traction
Potentiometer
Potentiometer anomaly
Check the potentiometer cables, if the problem is not solved
replace the potentiometer.
AL 14: Traction
Lever pressed
Safety lever pressed before start-
ing
Detected safety microswitch pressed before starting : release
the safety lever.
AL 15: Traction
Overtemperature
Thermal protection on traction
Overtemperature on traction : check consumption of traction
motor.
AL 16: Traction
Power damage
Power of traction damage
Replace the main card. This alarm could be shown also during
the trailing of the machine.
AL 17: Traction
Overcurrent
Traction Overcurrent
Detected a shortcircuit on the traction motor output: Check
connections and traction motor.
AL 18: Traction
Amp. Traction
Traction Amperometric protec-
tion
Check how the traction function is used. Detected too high
working current on traction motor.
AL 19: Traction
Motor reading
The power of traction is detected damaged, if the problem per-
sist replace the main card.
17
Summary of Contents for TRIDENT T20SC PRO
Page 1: ...SERVICE MANUAL TRIDENT T20SC PRO Version AB Date November 7 2018 Document Number 10077483...
Page 4: ...Part I Product Introduction 4...
Page 8: ...Part II Anomalies Resolution Guide 8...
Page 28: ...Part III Machine Description 28...
