Battery Charger - Invacare Pronto M50 Service Manual

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
SYMPTOM
Bad connection or blown fuse. Check
Joystick connection.
Batteries are dead.
No power to
wheelchair motors.
Loose battery connections.
Possible water, salt, or urine
Corroded battery
damage.
wiring connections.

Battery Charger

SYMPTOM
Charger not plugged into outlet, or
disconnected from wiring harness on
wheelchair.
No AC power at outlet.
Damaged power cord.
No LED's on
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.
Batteries won't
No AC power at the outlet.
charge.
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.
Pronto® Series
PROBABLE CAUSE
PROBABLE CAUSE
28
SOLUTIONS
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.
Check battery cable connections, may have
vibrated loose when driving on rough terrain.
Replace battery wiring harness. Refer to
Connecting/Disconnecting Battery Cables on
page 101.
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.
Send charger to Invacare for repair.
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.
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.
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. Refer to Removing/Installing
Batteries from/into Battery Tray on page 99.
Part No. 1125075