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Home > Archive > Electrical Engineering > March 2006 > Mobility scooter keeps cutting out.
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Mobility scooter keeps cutting out.
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| urbycoz@yahoo.co.uk 2006-03-30, 10:21 am |
| I have been having problems with a mobility scooter I purchased a while
ago. It's a "lightweight Squizz Scooter".
It worked fine for about 10 months, then suddenly, it started having
problems. It kept cutting out as it was going along, so that it came to
a stand-still. When that happened, the arrow on the charging meter that
indicates how much charge is left in the battery, dropped down from
full to empty.
We phoned the suppliers, who said it was probably a battery problem,
and sent us a new battery. This seemed to work for several months. But
just recently, the same problem has started to reoccur of suddenly
cutting out without warning, as it is going along.
Usually it is possible to get the scooter running again by taking out
the key, and putting it back in. However, this is rather inconvenient
in the middle of a zebra crossing!
Has anyone got any ideas of what might be the problem, or any ideas of
things to try. It is pretty much unusable in this state
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| spamTHISbrp@yahoo.com 2006-03-30, 6:21 pm |
| Sounds like a thermal or overcurrent protection device is actuating.
Difficult to ask delicately, but are you heavy and close to or over the
rated capacity of the scooter?
Could also be something binding in one of the axles or whatever serves
as a transmission/differential. Does the scooter push easily with no
load, and with someone on it?
If you or someone feels comfortable with a little disassembly, does the
motor spin freely?
You can also check for something binding by seeing how fast you stop
when you coast to a stop without using the brakes.
Dave
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| TimPerry 2006-03-31, 11:21 am |
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<urbycoz@yahoo.co.uk> wrote in message
news:1143727975.247127.268530@u72g2000cwu.googlegroups.com...
> I have been having problems with a mobility scooter I purchased a while
> ago. It's a "lightweight Squizz Scooter".
>
> It worked fine for about 10 months, then suddenly, it started having
> problems. It kept cutting out as it was going along, so that it came to
> a stand-still. When that happened, the arrow on the charging meter that
> indicates how much charge is left in the battery, dropped down from
> full to empty.
>
when the unit is turned off the meter is disconnected so it wont drain the
battery.
> We phoned the suppliers, who said it was probably a battery problem,
> and sent us a new battery. This seemed to work for several months. But
> just recently, the same problem has started to reoccur of suddenly
> cutting out without warning, as it is going along.
>
> Usually it is possible to get the scooter running again by taking out
> the key, and putting it back in. However, this is rather inconvenient
> in the middle of a zebra crossing!
replace the key/switch.
>
> Has anyone got any ideas of what might be the problem, or any ideas of
> things to try. It is pretty much unusable in this state
>
intermittent open is not a normal failure mode for a battery. check the
electronics.
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