Battery Charger - Invacare ProntoM41 Service Manual

SERVICE MANUAL
5.1.6

Battery Charger

PROBLEM
No LED's on
charger.
Batteries have
short driving
range during a
single charge.
Battery gauge
falls off faster
than normal.
Batteries won't
charge.
22
PROBABLE
CAUSE
Charger not plugged
into outlet, or
disconnected from
wiring harness on
wheelchair.
No AC power at
outlet.
Damaged power
cord.
Charger LED's burnt
out.
Charger may have
internal fuse that is
blown.
Consumer not
charging batteries
long enough.
Batteries may be
weak.
Check programming
settings.
Heavy load on
motors.
Blown battery fuse in
wiring harness, or
charger.
Charger not plugged
into outlet.
No AC power at the
outlet.
Charger power cord
may be damaged, or
the connector may
be damaged.
Charger may have
internal damage.
Battery voltage too
low for charger to
start charging cycle.
SOLUTIONS
Make sure the charger is
plugged into the outlet and
check the wiring on the
wheelchair.
Check for AC power with digital
volt meter.
Check for damage on the power
cord, replace if damaged or
send to Invacare for repair.
Replace charger.
Remove charger cover and
check for fuses. If fuses are
present, ohm out fuses and
replace if necessary.
Instruct consumer to charge for
8-10 hours minimum.
Perform load test or check
"Battery Quality Menu" with the
programmer.
Torque setting and power level
setting may be too high.
Chairs weight distribution may
be offset (wheelchair may be
front loaded).
Check battery wiring harness
fuse on the wheelchair. Replace
battery wiring harness if fuse is
blown.
Check fuse in the charger.
Make sure charger is plugged
into the outlet.
Check for AC power with a
digital volt meter.
Check for damage and replace if
necessary.
Charge batteries with known
good charger.
Replace batteries.
®
Invacare - PRONTO M41
Documentation
See electronics
manual.
See chapter 7.4.
See electronics
manual.
See chapter 8.9.4.
See chapter 8.9.3.