Battery - Invacare ProntoM41 Service Manual

®
Invacare - PRONTO M41
PROBLEM
when stopped.
Motor runs but
loses power.
5.1.5

Battery

PROBLEM
Batteries won't
charge.
Short charge
time
No power to
wheelchair
motors.
Corroded
battery wiring
connections.
PROBABLE
CAUSE
mode.
Blown fuse in battery
wiring harness.
Damaged motor.
Controller power
stage board or
relays may be
damaged.
Controller senses
heavy load and has
entered the current
rollback mode.
Batteries are going
bad.
PROBABLE
CAUSE
Blown battery fuse
or damaged cables.
Batteries sat
discharged too long.
One or both
batteries may be bad
(if batteries charge
up to soon).
Bad connection or
blown fuse. Check
joystick connection.
Batteries are dead.
Loose battery
connections.
Possible water, salt,
or urine damage.
SOLUTIONS
Replace battery wiring harness.
Replace motor/gearbox if
internal damage is determined.
Ohm out motor to check for
possible internal damage (worn
out brushes may be possible).
Replace controller or send to
Invacare for repair.
Stop driving and let electronics
cool.
Replace batteries.
SOLUTIONS
Check cables for damage or
replace battery wiring harness.
Replace batteries.
Check each battery and replace
if needed.
Check all connections and
housings for damage. If you
have blown fuse a new battery
wiring harness must be
purchased.
Check battery voltage and
replace if necessary.
Check battery cable
connections, may have vibrated
loose when driving on rough
terrain.
Replace battery wiring harness.
SERVICE MANUAL
Documentation
See chapter 8.9.4.
See chapter 7.2
or chapter 8.10.1.
See chapter 7.1
or chapter 7.2.
See chapter
8.11.4.
See chapter 8.9.3.
Documentation
See chapter 8.9.4.
See chapter 8.9.3.
See chapter 8.9.3.
See chapter 8.9.4.
See chapter 8.9.3.
See chapter 8.9.4.
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