Troubleshooting
490E75=0_C
Ottobock | 131
LED display
Meaning
Action
Slow flashing
The control system does not register an
error trigger, but an error was possibly
triggered before.
INFORMATION: The fewer LEDs are
flashing, the less battery capacity
remains.
Read the diagnostics report from the control sys-
tem, determine the error code (see Page 132)
and
take the recommended actions.
Charge the batteries.
Display continuously
illuminated
The control system does not register an
error trigger, but an error was possibly
triggered before.
Read the diagnostics report from the control sys-
tem, determine the error code (see Page 132)
and
take the recommended actions.
Display not illumi-
nated
Problem with the power supply to the
control system, or defective controller.
Check battery charge level. Check all connec-
tions between the battery and the control system.
Check and replace controller.
Meaning of flashing signals
Flashing LED
Error/warning
Cause
Possible measure
Battery undervoltage
Battery deep discharge
Battery cable malfunctioning
/ faulty connection to the
battery
Charge as soon as possible.
Check the connection to the
battery (charge the battery if the
connection is good).
Left motor not connected
e.g. defective plug connec-
tion, cable break
Check plug connections and
cable to left motor.
Defective motor
Check left motor.
Wiring fault on the left
motor
e.g. cable break, no connec-
tion to battery
Check cable connections to
left motor. Check connection to
battery terminal.
Right motor not connected e.g. defective plug connec-
tion, cable break
Check plug connections and
cable to right motor.
Defective motor
Check right motor.
Defective cables on right
motor
e.g. cable break, no connec-
tion to battery
Check cable connections to
right motor. Check connection to
battery terminal.
Driving function blocked
due to external factors
Battery charger may be con-
nected
Disconnect battery charger.
Joystick fault
Joystick not in home position
when the unit is turned on
Position joystick in home position
prior to switch-on.
Controller error
Defective controller
Check all connections.
Brake release
Brake disabled
Check motor brakes.
Check connection to the cont-
roller.
Battery overvoltage
Voltage too high
Loose battery contacts
Continue driving slowly.
Check cabling/plug contacts.
Communication error
between control panel
(joystick) and controller
Defective cable, loose plug
connection
Check cabling/plug contacts.
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...