(Codes) Alarm Display - NSS CHAMP 2417 RB Manual De Uso

All active alarms on the machine are displayed on the control panel.
Alarms may refer to the function unit, the drive unit and the machine general services.
Listed below are alarm summary tables complete with any relevant instructions/solutions.
Alarm Description
AL_1:Function
Brushes ammeter protection.
Brushes Ammeter
AL_2: Function
Vacuum ammeter protection.
Vacuum Ammeter
AL_3: Function
Power circuit damaged.
Power stage Fail
AL_4: Function
Brushes or vacuum overcurrent.
Overcurrent
AL_5: Function
Brushes or vacuum circuit overtemperature.
Overtemperature
AL_7: Function
Squeegee actuator limit switch reading failure.
Act2 endsw fail
AL_8: Function
Brush actuator movement over the time limit (12s): Check connections and any mechanical obstructions.
Act1 timeout
AL_9: Function Squeegee actuator: end switch position not
Act2 timeout reached
AL_11: Function
Water tank full.
Water Level
Alarm Description
AL_13: Traction
Pedal tear.
Pedal Failure
AL_14: Traction
Pedal active at power on.
Release Pedal
AL_15: Traction
Traction circuit overtemperature.
Overtemperature
AL_16: Traction
Traction circuit damaged
Power stage Fail
AL_17: Traction
Traction overcurrent
Overcurrent
AL_18: Traction
Traction ammeter protection.
Tract. Ammeter
AL_19: Traction
Internal reading mistake.
Motor Voltage
AL_24: Traction
Battery not connected to function card
Batt connection
Alarm Description
AL_20: General
Internal eeprom reading mistake
EEprom Failure
AL_21: General
Key-reading failure.
Key-off failure
AL_22: General
General relay damaged
Main relay failure
AL_23: General
Overvoltage.
Overvoltage
AL_25: General
Display-function card communication error
Keyboard fail

(CODES) ALARM DISPLAY

"FUNCTION" ALARM SUMMARY TABLE
Solution
Check brushes motor working current. Excessive and continuous working current de-
tected on the brushes motor.
Check vacuum motor working current. Excessive and continuous working current de-
tected on the brushes motor.
Brushes or vacuum power circuit damaged: replace the power board.
The alarm may also be displayed if the machine is started when being towed or moving.
Short circuit on brushes or vacuum motor detected: check wirings and motors.
Brushes and vacuum circuit power stage overtemperature: check absorption.
Limit switch setting failure.
Check connections and squeegee end switch position.
Squeegee actuator position not reached within the maximum time set. Check actuator
connections and/or any mechanical obstructions.
Water tank full. Check the water tank level.
"DRIVE" ALARM SUMMARY TABLE
Solution
Check pedal potentiometer wirings.
Moving switch active at power on: release the pedal.
Traction power stage overtemperature: check absorption.
Traction circuit damaged: replace the power board.
The alarm may also be displayed if the machine is started when being towed or moving.
Short circuit on traction motor detected: check wirings and motors.
Check traction motor's working current. Traction motor excessive overcurrent detected.
If failure persists, replace board.
Check traction motor's working current. Traction motor excessive overcurrent detected.
"GENERAL" ALARM SUMMARY TABLE
Solution
Replace board.
Rebound detected on the key signal: check battery-keyboard-function card connec-
tions.
The general relay on the board looks damaged: replace the board.
The alarm is triggered even in the event of a damaged power fuse.
Function card overvoltage detected.
Check battery connections.
Check connections between display and function card.
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