BOSS 4.5, RF, P3 & P4 OWNERS MANUAL 33
Why has there been a sudden loss of power?
1. Undercharged batteries. Check the BATTERY indicator. The BATTERY indicator indicates the charge
condition of the batteries while you are driving. The indicator will not indicate the “true condition” of
their capacity until the wheelchair has been setting on, in an idle condition, for several minutes. The green
area corresponds to a good charge. The red area corresponds to a low charge, or a deep cycle condition.
It is possible to drive the wheelchair with the batteries in a deep cycle charge condition, but once they
drop below a certain level of power, they will fail and you will be stranded. If, while you are driving,
the indicator falls into the red area, charge the batteries as soon as possible. Charging will bring deep
cycle condition batteries up to full charge. You will not receive maximum battery life if the batteries are
routinely run to the deep cycle condition.
2. Under-infl ated tires. Check for proper infl ation (check the specifi cations for your particular
wheelchair).
3. Excessive weight on the wheelchair. Refer to the specifi cation chart for the maximum rider
weight.
4. There may be other motor or driving mechanism malfunctions. Consult with your dealer.
Will storing the batteries for a long time damage them?
Yes. Storage of batteries is very important to their life span. The very best way to maximize battery
life is to store them in a fully charged condition in a cool place. Then periodically ( every 1-2 months!)
charge to keep the batteries in this full charge condition. Do not store in cold or freezing temperatures.
Batteries should never be subjected to freezing temperatures. Undercharged batteries can be ruined quickly
in freezing conditions.
Can a regular liquid lead-acid battery be used, like in a car?
No! A DEEP CYCLE battery must be used. A car battery is not deep cycle. Deep cycle batteries
(house type batteries) are available in both AGM suspended liquid lead-acid and gel cell lead-acid. Either
type can be used. These batteries are maintenance free and have no danger of spillage. They are also
approved by the Federal Aviation Administration for air travel. Do not use a conventional liquid lead-acid deep
cycle battery. Spillage of the battery acid can cause severe burns and will damage many components of your
power wheelchair . The PaceSaver charger which came with the power wheelchair is designed specifi cally
to charge deep cycle batteries.
Why will my Power Wheelchair not climb an incline?
1. Excessive weight on the wheelchair for the grade of the incline. Refer to the Ramp Incline Chart in
this Owner’s Manual.
2. Batteries not fully charged, or are bad. Charge them and have them tested.
3. Under-infl ated tires.
Again, thank you for your purchase of a power wheelchair. We hope that you will enjoy many
years of trouble free service and freedom on your new wheelchair. Remember, your investment
and your safety depend upon following the guidelines and suggestions contained in this manual.
Commonly Asked Questions and Possible Answers
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