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SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
Pronto® Series 28 Part No. 1125075
Battery Charger
No power to
wheelchair motors.
Bad connection or blown fuse. Check
Joystick connection.
Batteries are dead.
Check all connections and housings for damage. If
you have blown fuse a new battery wiring harness
must be purchased. Refer to
Connecting/Disconnecting Battery Cables
on
page 101.
Check battery voltage and replace if necessary.
Refer to Removing/Installing Batteries from/into
Battery Tray on page 99.
Loose battery connections. Check battery cable connections, may have
vibrated loose when driving on rough terrain.
Corroded battery
wiring connections.
Possible water, salt, or urine
damage.
Replace battery wiring harness. Refer to
Connecting/Disconnecting Battery Cables
on
page 101.
SYMPTOM PROBABLE CAUSE SOLUTIONS
No LED’s on
Charger
Charger not plugged into outlet, or
disconnected from wiring harness on
wheelchair.
Make sure the charger is plugged into the outlet
and check the wiring on the wheelchair.
No AC power at outlet. Check for AC power with digital volt meter.
Damaged power cord. Check for damage on the power cord, replace if
damaged or send to Invacare for repair.
Charger LED’s burnt out. Send charger to Invacare for repair.
Charger may have internal fuse that is
blown.
Remove charger cover and check for fuses. iI fuses
are present, Ohm out fuses and replace if
necessary. Refer to Replacing the On-Board
Battery Charger Fuse on page 108.
Batteries won’t
charge.
Blown battery fuse in wiring harness,
or charger.
Check battery wiring harness fuse on the
wheelchair. Replace battery wiring harness if fuse is
blown. Refer to Connecting/Disconnecting Battery
Cables on page 101.
Check fuse in the charger. Refer to Replacing the
On-Board Battery Charger Fuse on page 108.
Charger not plugged into outlet. Make sure charger is plugged into the outlet.
No AC power at the outlet. Check for AC power with a digital volt meter.
Charger Power cord may be
damaged, or the connector may be
damaged.
Check for damage and replace if necessary, or
send in for repair.
Charger may have internal damage. Charge batteries with known good charger.
Battery voltage too low for charger to
start charging cycle.
Replace batteries. Refer to Removing/Installing
Batteries from/into Battery Tray on page 99.
SYMPTOM PROBABLE CAUSE SOLUTIONS