Invacare Storm Service Manual page 23

PROBLEM
Motors stop
and start
again
Motor runs
but loses
power
Motors stop
and do not
start again
Motors lose
power
during
journey
Motor
judders or
runs
irregularly,
or only one
motor runs
22
OTHER POSSIBLE
SYMPTOMS CAUSE
None Voltage decline
None High motor load
allows the power
module to lower
the voltage.
None High motor load
allows the power
module to lower
the voltage.
None Fuse burnt out
None Motor defective
None Power module
defective
None Bad connections Switch mobility aid
None Carbon brushes
worn
Bearing
defective
Collector
defective
Documentation
SOLUTION
Stop journey and
allow electronics
to cool down.
Stop journey and
allow electronics
to cool down.
Leave mobility aid
switched on and
let the power
module operate.
Charge batteries
overnight with
mobility aid
switched on.
See chapters 8.3.5 and
Check cabling and
8.3.4
replace fuse
See chapter 8.17.2.
Check carbon
brushes and
replace if
necessary
See chapters 7.1 and
Measure internal
8.17.1
resistance of
motor, replace
motor if defective.
See chapter Fehler!
Replace power
Verweisquelle konnte
module
nicht gefunden werden..
See chapter 8.3.5.
off, wait 10
seconds, switch
mobility aid on
again. Check all
cabling.
See chapter 8.17.2.
Check carbon
brushes and
replace if
necessary
See chapter 8.17.1.
Replacing the
motor
See chapters 7.1 and
Measure internal
8.17.1
resistance of
motor, replace
motor if defective.