Troubleshooting; Operational Faults; Drive Fault Diagnosis - Invacare TDX SP2 Service Manual

Invacare® TDX® SP2 Series

7 Troubleshooting

7.1 Operational faults

Proceed as follows if you have any problems:
1. First assess the possible cause of the problem using the
following table.
2. Check the remote status display. Evaluate the flash error
code.
3. Carry out the necessary checks and repairs as
recommended in the following table.

7.2 Drive fault diagnosis

Problem
Mobility device will not
start
Mobility device judders
in drive mode
Mobility device pulls to
left or right
42
Other symptoms Possible cause
The remote status Drive motors
display illuminates disengaged
normally and displays
flash code 5/6
Remote status display Batteries defective
does not illuminate
Completely discharge
battery
Power supply to
remote interrupted
Remote defective
Various causes
Remote status display
flashing
None
Batteries defective
(unstable voltage)
Drive motor(s)
defective
None
Drive motors running
asymmetrically
Tire visibly dented Not enough tire
pressure
The various power modules can be fitted in connection with
diferent remotes in the mobility device. Rectification of
operational faults depends on the power module fitted. The
power modules used are described in the corresponding
controls manual.
The tables for rectification of operational faults listed
in the following chapters are only an excerpt from
the original manufacturer's manuals. You can obtain
the original manuals from Invacare®.
Solution
Engage drive motors
Replace batteries
Pre-charge batteries
Check main fuse
Check cables between
modules for loose
connections or damage
Replace remote
Assess error code
Replace batteries
Replace motor(s)
Replace carbon brushes See 6.4.5 Replacing
Set motor parameter
to synchronize motors
Check tire pressure,
replace inner tube
and/or valve if
necessary
Documentation
See user manual.
See 6.7.6 Replacing
batteries, page 33
and 6.7.9 Replacing
batteries/replacing
battery cables, page 35.
See user manual.
See 6.7.13 Checking
and replacing main
fuse, page 37 .
See 6.7.15 Checking
cable, page 38.
See 6.7.1 Replacing
power module, page 31.
See remote manual.
See 6.7.9 Replacing
batteries/replacing
battery cables, page
35 and 6.7.6 Replacing
batteries, page 33.
See 6.4.7 Replacing
motor/gearbox unit,
page 23.
carbon brushes, page
22.
See programming
manual.
1532486-L