37
LED flashes
Fault Condition
1x
Defective charging socket
2x
Speed controller, UP/DOWN switch, plug-in contacts or supply line are defective
3x
Circuit board fault (FET)
4x
Circuit board fault (relay)
5x
Motor fault
6x
Overload
7x
Overvoltage
8x
Electromagnetic brake fault
9x
Electronics fault
10x
Sensor hollow shaft fault (only if ComfortStep is activated)
Problem
Testing and troubleshooting
Unable to switch on
s-max
Is the charger connected?
Yes: Disconnect the charging cable.
Are the batteries empty?
Yes: Charge the batteries.
Is the problem still present?
Yes: Contact the manufacturer, AAT field service or the authorised dealer.
s-max is not moving
Is the safety chip for the engine immobiliser inserted?
Yes: Contact the manufacturer, AAT field service or the authorised dealer.
Battery pack doesn’t charge
Contact the manufacturer, AAT field service or the authorised dealer.
The housing of the battery pack is
damaged
Contact the manufacturer, AAT field service or the authorised dealer.
Trouble shooting
Malfunction codes