Troubleshooting
490E75=0_C
Ottobock | 133
Error code
Content
Cause
Possible measure
4401
Error in the control sys-
tem
Non-specific problem in the
control unit
Contact the manufacturer.
5400 and flas-
hing LEDs for
speed display
Communication error
e.g. defective plug connection,
cable break
Defective controller
Check all plug connections and
cables on controller.
Replace controller.
7100
Joystick error
Joystick communication problem Check joystick cable, ribbon
cable on the joystick, connec-
tions and associated sockets.
7101
7102
Joystick error
Loss of power supply to the
joystick
Check joystick cable, ribbon
cable on the joystick, connec-
tions and associated sockets.
7103
Joystick error
Internal error trigger
Defective joystick
Check joystick cable, ribbon
cable on the joystick, connec-
tions and associated sockets.
Replace the joystick/control
panel.
7104
7147
Joystick warning
Joystick not in home position
when the unit is turned on
Position joystick in home position
prior to switch-on.
7902
The control system has
overheated
Maximum allowable temperature
of the controller exceeded
Turn the control unit off and let
the controller cool down.
Replace controller.
If error persists: contact the
manufacturer.
Other codes
Possible control system
error
Problem in the control unit
Contact the manufacturer.
5.4
Other errors (not displayed)
This category includes errors that are not shown on the control panel or handheld programming device. Reasons for
this can be that the control unit cannot be switched on, the error is not severe enough or the control system cannot
recognise the error for other reasons.
Error
Possible cause
Action
Control system does
not switch on
No connection between the battery and the
control system
Check plug connections and battery
cables.
Faulty cable connection between the control-
ler and modules
Check plug connections and cables.
Defective controller or modules
Check and replace controller with modu-
les.
Wheelchair not
driving straight
Incorrect programming
Adjust straight compensation in the soft-
ware.
Motor or brake error.
Check and replace motors with brakes.
Motor or one brake
is hot
Motor or brake error.
Check and replace motors with brakes.
Battery is dischar-
ging too quickly
Dead or damaged batteries
Check and replace battery.
Defective or unsuitable battery charger
Check operation of the charger.
Replace battery charger.
Use of incorrect batteries.
Select an appropriate battery type by refer-
ring to the instructions for use.
Motor is blocked or a brake is jammed.
Replace motor with brake.
In case of errors that are not listed in this service manual, or if the prescribed actions have no effect, deactivate the
main fuse and contact the manufacturer.
Summary of Contents for 490E75 Series
Page 1: ...490E75 0_C Service manual...
Page 38: ...Service work 490E75 0_C 38 Ottobock 57 58 59 60 61 62 63...
Page 41: ...Service work 490E75 0_C Ottobock 41 70 71 72 73 74 tt 75 76...
Page 55: ...Service work 490E75 0_C Ottobock 55 103 104 105 106 107 108 109 110...
Page 108: ...Service work 490E75 0_C 108 Ottobock 227 228 229 t 230 231 232...
Page 112: ...Service work 490E75 0_C 112 Ottobock 237 238 239 240 241...
Page 143: ...R Net wheelchair control 490E75 0_C Ottobock 143 Seat module pin assignment 287...
Page 161: ...490E75 0_C Ottobock 161...
Page 162: ...490E75 0_C 162 Ottobock...