Invacare TDX SP2 Series Service Manual page 15

Problem Other symptoms
Remote status display
flashing
None
Mobility device
judders in drive mode
None
Mobility device pulls
to left or right
Tyre visibly dented
None
Error message does
not disappear
None
Motors stop and start
again
None
Motor runs but loses
power
Motors stop and do None
not start again
None
1532486-N
Possible cause Solution
Power supply to Check main fuse.
remote interrupted
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
Replace carbon
brushes.
Drive motors running Change programming
asymmetrically to synchronise motors.
Not enough tyre Check tyre 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.
Voltage decline Stop driving and allow
electronics to cool
down.
High motor load Stop driving and allow
allows power module electronics to cool
to lower voltage down.
High motor load Leave mobility device
allows power module switched on and
to lower voltage let power module
operate. Charge
batteries overnight
with electronics
turned on.
Fuse burnt out Check cabling and
replace fuse.
Service
Documentation
See 6.11.7 Checking
and replacing main
fuse, page 49 .
See 6.10.7 Checking
cable, page 45.
See 6.10.1 Replacing
Power Module, page
42.
See remote manual.
See 6.11.6 Replacing
Batteries / Battery
Cables, page 48
and 6.11.4 Replacing
Batteries (60 Ah /
73 Ah), page 47.
See 6.7.2 Replacing
Motor/Gearbox Unit,
page 29.
See 6.7.5 Replacing
carbon brushes, page
31.
See programming
manual.
See 6.10.7 Checking
cable, page 45.
See 5.2 Testing Motor
Brake, page 11
and 6.7.2 Replacing
Motor/Gearbox Unit,
page 29.
See 6.10.7 Checking
cable, page 45 and
6.11.7 Checking and
replacing main fuse,
page 49.
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