Question about Jet 3 Ultra Power Chair

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Jet 3 Ultra won't charge

The batteries charged fine last month. For some reason when we need it this month the batteries won't charge. The ammeter never registers above 0 after charging. The power lights will come on but when removed from the charger the chair won't turn on.

Any ideas why it quit? where I can find a repair? I have a problem with the chair not turning on after charging. The yellow lights on the botton line flash but the chair will not do anything. no dealer will help me.

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Indeed, you need to find a repair shop. Try a google search for power chair repair, or ask your local hospital or if you can find one a power chair store. Most likely, you have a mechanical failure of the wiring, the battery themselves, or corrosion on the battery posts. Since the chair lights up when the charger is in, it is unlikely that the charger is broken. You may have a failure of the controller board, but that is also unlikely. And batteries do not usually suddenly fail completely; they typically fail slowly, losing the ability to completely charge.

I assume that you did not see a great deal of fluid leaking out of the battery container; you might look in the container and check to see if a battery is cracked or missing fluid.

Posted on Nov 10, 2008

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SOURCE: Jet 3 Ultra won't charge

You can find the Fuse behind the foot rest. Take the pin located under the foot rest, and the casing will come off exposing the fuse.

Posted on Jun 24, 2009

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Often an alarm system will register a low battery voltage and presume the vehicle's battery is being removed to prevent the alarm from going off. They will then begin flashing and or sounding the horn.
In your case, I would presume that the battery voltage is too low which may indicate either a failed battery, or a parasitic voltage drain.

First, get the vehicle started, and run the vehicle for a good twenty or so minutes to get some charge to the battery. If you don't want to waste fuel however doing this, then I suggest using any battery charger, as all we want to do is get some voltage back in the battery. If you are using a charger though, then charge on a lower voltage setting overnight.

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Disconnect the battery positive terminal and connect the ammeter in series with the battery and positive lead.
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With all vehicle systems off, the key out, doors closed and alarm 'OFF', bonnet close switch depressed, or bonnet/hood clasp closed (need a screwdriver), take a reading from the ammeter.
After probably no more than twenty minutes, the ammeter should be reading 0.03 amps and not much more. Anything like 0.5 or 1 amp means you have a battery drain.
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Regards; Aaron

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