Checking Battery Charge Level - Invacare Pronto M91 Service Manual

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING
SYMPTOM
Consumer not charging batteries long
enough.
Batteries may be weak.
Batteries have
short driving range
during a single
charge. Battery
Check programming settings.
Gauge falls off
faster than normal.
Heavy load on motors.
Charger still plugged in when user tries
E28 Error code.
to drive the wheelchair.

Checking Battery Charge Level

NOTE: 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.
Pronto® M91™and M94™
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 MK
manual, part number 1114808.
Torque setting and power level setting may be too
high. Refer to MK
5
number 1114808.
Chairs weight distribution may be offset
(wheelchair may be front loaded).
Unplug charger to drive wheelchair.
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 service before charging.
Don't tip or tilt batteries.
Don't tap on clamps and terminals with tools.
Don't mismatch your battery and chargers.
32
electronics
5
electronics manual, part
Part No. 1125038