Battery; Battery Charger - Invacare Pronto M91 Service Manual

Battery

SYMPTOM
Blown battery fuse or damaged cables.
Batteries won't
charge.
Batteries sat discharged too long.
One or both batteries may be bad
Short Charge Time
(if batteries charge up to soon).
Bad connection or blown fuse. Check
Joystick connection.
No power to
Batteries are dead.
wheelchair motors.
Loose battery connections
Corroded battery Possible water, salt, or urine
wiring connections. damage.
E14 Error code. Low Voltage

Battery Charger

SYMPTOM
Charger not plugged into outlet, or
disconnected from wiring harness on
wheelchair.
No AC power at outlet.
No LED's on Damaged power cord.
Charger
Charger LED's burnt out.
Charger may have internal fuse that is
blown.
Blown battery fuse in wiring harness,
or charger.
Charger not plugged into outlet.
No AC power at the outlet.
Batteries won't
Charger power cord may be
charge.
damaged, or the connector may be
damaged.
Charger may have internal damage.
Battery voltage too low for charger to
start charging cycle.
Part No. 1125038
SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
PROBABLE CAUSE
PROBABLE CAUSE
31
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 a 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.
Recharge or replace battery.
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 in for repair.
Send charger to Invacare for repair.
Remove charger cover and check for fuses. if fuses
are present Ohm out fuses and replace if
necessary.
Check battery wiring harness fuse on the
wheelchair
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, or
send in for repair.
Charge batteries with known good charger.
Replace batteries.
Pronto® M91™and M94™