SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING

SYMPTOM

PROBABLE CAUSE

SOLUTIONS

 

 

 

 

Consumer not charging batteries long

Instruct consumer to charge for 8-10 hours mini-

 

enough.

mum.

 

 

 

Batteries have

Batteries may be weak.

Perform load test or check “Battery Quality Menu”

 

with the programmer. Refer to MK5 electronics

short driving range

 

 

manual, part number 1114808.

during a single

 

charge. Battery

 

 

Check programming settings.

Torque setting and power level setting may be too

Gauge falls off

 

high. Refer to MK5 electronics manual, part num-

faster than normal.

 

ber 1114808.

 

 

 

 

 

 

Heavy load on motors.

Chairs weight distribution may be offset (wheel-

 

 

chair may be front loaded).

 

 

 

E28 Error code.

Charger still plugged in when user tries

Unplug charger to drive wheelchair.

to drive the wheelchair.

 

 

 

 

 

 

Checking Battery Charge Level

The following “Do’s” and “Don’ts” are provided for your convenience and safety.

DO

DON’T

 

 

Read and understand this manual and any service

Don’t perform any installation or maintenance without

information that accompanies a battery and charger

first reading this manual.

before operating the wheelchair.

 

 

 

Move the wheelchair to a work area before opening

Don’t perform installation or maintenance of batteries

battery box or installing service batteries.

in an area that could be damaged by battery spills.

 

 

Recharge as frequently as possible to maintain a high

Don’t make it a habit to discharge batteries to the low-

charge level and extend battery life.

est level.

 

 

Follow recommendations in this manual when select-

Don’t use randomly chosen batteries or chargers.

ing a battery or charger.

 

 

 

Fully charge new batteries before using.

Don’t put new batteries into servcie before charging.

 

 

Use a carrying strap to remove, move or install a bat-

Don’t tip or tilt batteries.

tery.

 

 

 

Push battery clamps on the terminals. Spread clamps

Don’t tap on clamps and terminals with tools.

wider if necessary.

 

 

 

Use ONLY a GEL charger for a GEL battery or

Don’t mismatch your battery and chargers.

“Sealed” battery.

 

 

 

Part No 1118377

27

Pronto® M71™

Page 27
Image 27
Invacare M71 service manual Checking Battery Charge Level, Don’T