Drive Fault Diagnosis - Invacare STORM4MAX Service Manual

®
Invacare - STORM
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
4
MAX
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
Tyre visibly Not enough air in
dented the tyre
None Bad connections Check all
Motor brake
defective
SOLUTION Documentation
See operating manual
Engage drive
motors
Replace batteries See chapter 8.4.2.
Pre-charge See instruction manual for
batteries charger
Check master fuse See chapter 8.5.
Check cables See chapter 8.6.
between the
modules for loose
connections and
damage
Replace remote See chapter 8.2.1.
Assess error code See chapter 6.2.
Replace batteries See chapter 8.4.2.
Replace motor(s) See chapter 8.11.1.
Replace carbon See chapter 8.11.2.
brushes
Change See chapter 8.3.
programming to
synchronise
motors.
Check air See chapter 8.10.2.
pressure, replace
inner tube and/or
valve if necessary.
See chapter 8.6.
connecting cables.
Measure internal See chapter 8.11.1
resistance of
brakes, replace
motor if defective.
SERVICE MANUAL
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