Drive Fault Diagnosis - Invacare TDX-SP Service Manual

SERVICE MANUAL
6.1

Drive fault diagnosis

PROBLEM
Mobility aid
will not
start
Mobility aid
judders in
drive mode
Mobility aid
pulls to left
or right
Error
message
does not go
out
Motors stop
and start
irregularly
24
OTHER POSSIBLE
SYMPTOMS CAUSE
The remote Drive motors
status display
disengaged
illuminates
normally and
displays blink
code 5/6.
Remote status Batteries
display does not defective
illuminate
Completely
discharge
battery
Power supply to
remote
interrupted
Remote
defective
Remote status Various causes
display blinking
None
Batteries
defective
(unstable
voltage)
Drive motor(s)
defective
None Drive motors
running
asymmetrically
None Bad connections Check all
Motor brake
defective
None Voltage decline
®
Invacare - TDX-SP / TDX-SP N
SOLUTION Documentation
Engage drive See operating manual
motors
Replace batteries See chapter 8.2.2/8.2.3.
Pre-charge See operating manual
batteries
Check master fuse See chapter 8.2.5/8.2.6.
Check cables See chapter 8.2.7.
between the
modules for loose
connections and
damage
Replace remote See chapter 8.6.1.
Assess error code See chapter 6.2 and 6.3.
Replace batteries See chapter 8.2.2/8.2.3.
Replace motor(s) See chapter
8.19.1/8.19.2.
Replace carbon See chapter
brushes 8.19.6/8.19.7.
Change See chapter 8.7.
programming to
synchronise
motors.
See chapter 8.2.7.
connecting cables.
Measure internal See chapters 7.2 and
resistance of 8.19.1/8.19.2
brakes, replace
motor if defective.
Stop journey and
allow electronic to
cool down.