Invacare STORM - Page 23

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