37
The LED is flashing
Fault condition
1 x
Overloaded
2 x
Undervoltage, battery pack empty
3 x
Overvoltage
4 x
Speed control, UP/DOWN switch,
plugin contacts, or supply cable defective
5 x
Electromagnetic brake defective
6 x
Error Electronics
7 x
Error Circuit board (FET)
8 x
Error Circuit board (relay)
9 x
Error Motor
10 x
Error Hollow shaft sensor (only when ComfortStep active)
Problem
Check and possible remedy
CR23 cannot be turned on
Is the spiral cable plug plugged in and locked in place?
No: Plug it in and lock it in place.
Is the charger connected?
Yes: Disconnect the charging cable.
Are the batteries empty?
Yes: Charge the batteries.
Does the problem persist?
Yes: Notify the manufacturer, the AAT field service, the authorised
specialist dealer.
The CR23 does not move
Safety chip inserted?
Yes: Notify the manufacturer, the AAT field service, the authorised
specialist dealer.
Battery pack isn’t charging
Notify the manufacturer, the AAT field service, the authorised specialist
dealer.
The batteries show external damage
Notify the manufacturer, the AAT field service, the authorised specialist
dealer.
Troubleshooting
Turn the CR23 on again.
»
The LED is flashing - Notify the manufacturer, the AAT field service, or the authorised specialist
dealer!
Fault conditions