M61 Only; Checking Battery Charge Level - Invacare Pronto M50 Service Manual

SYMPTOM
Consumer not charging batteries long
enough.
Batteries have
Batteries may be weak.
short driving range
during a single
charge. Battery
Check programming settings.
Gauge falls off
faster than normal.
Heavy load on motors.

M61 Only

SYMPTOM
Wheelchair slows Elevating seat is elevated.
or stops while
driving and the Seat
Function I indicator
is lit.
Elevating seat sensor is damaged.

Checking Battery Charge Level

The following "Do's" and "Don'ts" are provided for your convenience and safety.
Read and understand this manual and any service
information that accompanies a battery and charger
before operating the wheelchair.
Move the wheelchair to a work area before opening
battery box or installing service batteries.
Recharge as frequently as possible to maintain a high
charge level and extend battery life.
Follow recommendations in this manual when
selecting a battery or charger.
Fully charge new batteries before using.
Use a carrying strap to remove, move or install a
battery.
Push battery clamps on the terminals. Spread clamps
wider if necessary.
Use ONLY a GEL charger for a GEL battery or
"Sealed" battery.
Part No. 1125075
SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
PROBABLE CAUSE
PROBABLE CAUSE
DO
SOLUTIONS
Instruct consumer to charge for 8-10 hours
minimum.
Perform load test or check "Battery Quality Menu"
with the programmer. Refer to electronics manual.
Refer to Field Load Test on page 30.
Torque setting and power level setting may be too
high. Refer to electronics manual.
Chairs weight distribution may be offset
(wheelchair may be front loaded).
SOLUTIONS
Return seat to its lowest position. Refer to
Elevating the Seat on page 37.
Examine elevating seat sensor. Replace if necessary.
Refer to Removing/Installing the Actuator Switch
Sensor on page 97.
DON'T
Don't perform any installation or maintenance without
first reading this manual.
Don't perform installation or maintenance of batteries
in an area that could be damaged by battery spills.
Don't make it a habit to discharge batteries to the
lowest level.
Don't use randomly chosen batteries or chargers.
Don't put new batteries into servcie before charging.
Don't tip or tilt batteries.
Don't tap on clamps and terminals with tools.
Don't mismatch your battery and chargers.
29
Pronto® Series