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

8 Troubleshooting

8.1 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.

8.2 Drive fault diagnosis

Problem Other symptoms
Mobility device will The remote status
not start display illuminates
normally and displays
flash code 5/6
Remote status display
does not illuminate
Remote status display
flashing
None
Mobility device
judders in drive mode
None
Mobility device pulls
to left or right
Tire visibly dented
None
Error message does
not disappear
1195667-E
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®.
Possible cause Solution
Drive motors Engage drive motors
disengaged
Batteries defective Replace batteries
Completely discharge Pre-charge batteries
battery
Power supply to Check for blown
remote interrupted battery fuse
or damaged
cables/connectors.
Replace wiring
harness.
Check cables between
modules for loose
connections or
damage
Remote defective Replace remote
Various causes
Assess error code
Batteries defective Replace batteries
(unstable voltage)
Drive motor(s) Replace motor(s)
defective
Drive motors running Set motor parameter
asymmetrically to synchronize motors
Not enough tire Check tire pressure,
pressure replace inner tube
and/or valve if
necessary
Bad connections Check all connecting
cables
Motor brake defective Measure internal
resistance of brakes,
replace motor if
defective
Troubleshooting
Documentation
See user manual.
See user manual.
See remote manual.
See programming
manual.
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