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Common Problems with Mobility Scooters

By: Jonathan Webb - Updated: 18 Jul 2018 | comments*Discuss
Mobility Mobility Scooters Disabled

The use of mobility scooters has become increasingly popular in recent years, providing many disabled people with a life line to the outside world and giving them an element of independence that would otherwise prove difficult.

Generally speaking, mobility scooters are relatively reliable and need little maintenance. Mobility scooters have two major components. the electric motor and the battery that provides power to the motor along with the lights and horn.


Problems can occur to the battery, such as having to recharge it at regular intervals due to it not holding its charge for long periods. At its worst, this can mean having to put your mobility scooter on charge after every journey. Not only does this limit the distance you are able to travel, due to the chance that your mobility scooter may run out of battery power before you can make a full round trip, but can prove inconvenient as you are unable to make full use of your scooter due to the prolonged down time.

The main cause of batteries unable to hold their charge is old age. The only cure for this problem is to have a set of new batteries fitted. If you choose to have a set of bigger batteries installed, remember that although they may hold more charge, they can also be considerably heavier than normal sized mobility scooter batteries, which in turn means that your mobility scooter is heavier and needs more power to move, which in turn can drain the battery faster. If you are also using your lights on the mobility scooter, the battery's time between recharging will be reduced accordingly.


The electric motor on a mobility scooter is of a relatively simple design and usually quite rugged, able to withstand normal everyday use around towns and cities in most types of weather. It can, however, be damaged by, for example, mounting or dismounting a pavement without a dropped kerb or by driving your mobility scooter through an excessive wet area, such as a deep puddle. It is also possible to damage your mobility scooter's motor by driving through a very dusty or gritty area. The damage may not be immediately apparent, but dirt and grit that enters the motor's moving parts can cause the motor to fail at a later date.


The tyres on your mobility scooter will, at some time in the scooter's life, need to be replaced. This goes for whether they are solid, in filled or pneumatic type tyres.

Solid tyres will eventually need replacing due to general wear and tear, although they will probably last longer than the other two types. Due to their solidness, they are not always a popular choice with mobility scooter users, who prefer a more comfortable ride.

In filled tyres can also last a long time, and give a far superior ride to solid tyres. The main problem with these is that over time they will split and the in fill material, which is usually a spongy like material, will spill out making them unusable. Like any air filled tyre, pneumatic tyres are prone to punctures, in addition to the usual wear and tare.

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I need some help with a battery problem please. Rascal AutoGo battery indicator has 2 flashing red bars, after full charge. The batteries charge at 28.1v When charger is switched off, batteries read 26.8v Then when scooter is used, the battery indicator drops to 1 or 2 red bars,. But, I've had the scooter running for about 2 hours on 1 or 2 flashing red bars. On returning home,I measured the batteries at 23.1v before putting them on charge. It is a recently bought second hand scooter, the batteries werenew in April.. Any help would be greatly appreciated
CraigB - 18-Jul-18 @ 10:31 PM
Shop rider scooter tends to shut off when making a turn on occasion. No flashing lights, batteries fully charged. When this happens i learned to straighten my wheels out straight turn power off then on again for it to work. Any ideas?
Ang - 18-Jul-18 @ 1:01 PM
@ Quinny - arghhhh. Hopefully it will dry out okay if it doesn't you'll have to get it looked at :(
EdC - 17-Jul-18 @ 12:32 PM
I washed my pride colt plus scooter earlier and now when I switch ignition on its making a continuous high pitched beep I.e the horn.eliminated all the fuses one by one and it's the ignition key switch that seems to be the problem.shall I just leave it and see if it dries out or has anyone got any tips please?
Quinny - 15-Jul-18 @ 5:57 PM
I have a 2014 Sterling Diamond 8mph mobility scooter. Recently I had an issue when going downhill it went well over it’s speed limiter and would not slow down until I almost completely let go of the throttle, at which point theelectronic brake locked the back wheels. It then drove but on low power/speed. I took it to a local mobility scooter dealer for repair and they cleaned the motor brushes. Since then the scooter operates normally on flat roads or going uphill, that is it will go up to its top speed and remain at that, and as I slowly release the throttle it will slow down and stop as normal. The problem is when I go downhill. In both the 4mph and 8mph modes at half throttle the scooter will move at a controlled constant speed (the braking effect working perfectly), but if I go to full throttle – even on slight downhill roads- the scooter will speed up excessively and only stop when I release the throttle which locks the rear wheels!
Cornish Cim - 13-Jul-18 @ 5:35 PM
I have just purchased a new mobility scooter - (Freedom Satellite). It comes with an 800 watt four pole motor driven by 12 volt 50 ah x 2 batteries. It can travel at 12 kpm. My problem is it makes a loud "whining" noise (more so going up a slope than down). The manufacturer says it is normal. Is it? If I had a less powerful motor would it be quieter? BTW I am in Australia so there is not much you can do for me. Hopefully some advice though. Many thanks
Doug - 6-Jul-18 @ 8:32 AM
@Barty - loose connection perhaps?
KingV - 2-Jul-18 @ 2:26 PM
I have a sport rider sometimes it’s goes slow then I turn it off and on again and it’s fine I’ve had batteries checked so it’s not that there are no diagnostic lights flash any one have any ideas cheers
Barty - 30-Jun-18 @ 12:19 AM
.my scooter is making a hissing noise when riding it anyone no why
Bazza - 28-Jun-18 @ 4:09 PM
My scooter has had new batteries but after it being stood for 1 week not being used and showing 1bar ( of power) so charged it got 8 hours and it’s not charging charger is showing mains on and charging but it’s not charging at all and the lights on the back are on and won’t switch off Anyone have any ideas please
Hullkev - 28-Jun-18 @ 9:52 AM
Does anyone know if the Sterling little star has carbon brushes that you can replace ?
THOMAS - 24-Jun-18 @ 6:55 PM
I have a similar problem with my Freerider Kensington. For no apparent reason it will suddenly slow down/stop then, after a few seconds revert to normal speed then repeat the process. I've found the problem to be the motor brushes or rather the springs associated with the brushes. One or other of them becomes distorted and obviously does not hold the brush against the commutator properly. Over the last 9 months I've had to replace the brushes twice. I can't find the cause but I suspect it relates to my use of the vehicle. (about 2 hours per day but with a lot of starting and stopping.) Suggest you get someone to check the brushes.
Mike - 20-Jun-18 @ 11:30 AM
@Harry - The circuit breaker may have tripped or there could be some faulty connection to the motor, or a faulty throttle. You'd need someone to look at this.
Tomec - 18-Jun-18 @ 3:37 PM
@fred - If you've had new batteries then there may be a fault with the battery charger which is preventing th battery receiving full charge. Or it may be a loose cable to the charger or there may be a fault at the battery charger terminals (which can corrode).
Tomec - 18-Jun-18 @ 12:35 PM
@Petrus - sounds like a loose connection!
Tomec - 18-Jun-18 @ 12:19 PM
@Ady - It sounds as though your throttle control lever may have slipped and/or it is something to do with the potentiometer is broken. Alternatively, the acceleration settings in the controller may need re-setting, if it's a digital control. Or the motor may be damaged. You'll need to get someone to look at it.
Tomec - 18-Jun-18 @ 10:34 AM
My scooter goes well but keeps slowing down then goes fast again what do think this is please
Harry - 18-Jun-18 @ 9:14 AM
I have a used Excel Galaxy Plus that appears to lose its charge quickly. I have changed the batteries and this hasn’t helped. The charger appears to be working correctly. Can anyone help! Thank you.
Fred - 17-Jun-18 @ 5:37 PM
Hi there i have a strider dayz scooter but the problem is it goes on its ownand wont reverse.
Ady - 16-Jun-18 @ 8:21 PM
I've recently bought a used TGA Eclipse. The horn wasn't working, neither with the button, nor reverse. Now, for some reason, it has started working intermittently at nowhere near full volume, sounding like it's suffering from severe laryngitis! Can anyone suggest a solution, please?
Petrus - 16-Jun-18 @ 12:51 PM
@Holly - sounds like it may be a loose connection, but you should do the same a @starry.
MacG - 15-Jun-18 @ 10:17 AM
@starry - if you have access to a computer do an online search for the troubleshooting manual of the make and model of your vehicle. There should be a flashing light diagnostic indicator panel that should identify your problem.
MacG - 15-Jun-18 @ 10:15 AM
Hi I have a prorider mobility scooter it runs for about 15 minutes then stops after 5 minutes it moves with a jerk forward then runs for about 5 minutes then stops I tried changing the batteries it still does the same its definitely electrical has anyone any idea
Holly - 14-Jun-18 @ 12:40 PM
the status light is flashing but i have nothing else. battery is fully charged. i am no where near a technician. HELP!!
starry - 14-Jun-18 @ 1:15 AM
Iv'e got a tga elscooter wasn't lasting long when out so got new battery now it's stop working all together the green light comes on but no power
rick - 5-Jun-18 @ 11:41 AM
I have ashoprider cadiz, for my husbnd and the batteries are charged we have recently purchased anew charger but the display shows red not green.. what is the problem please.. do ~I need new batteries
Bubbles - 4-Jun-18 @ 4:36 PM
My dad has a tga myster, batteries seem to hold charge but as soon as you touch something the screen goes blank and comes back on flashing.
Smithy - 26-May-18 @ 9:18 PM
Why will my batteries after a full charge go straight to half charge?
Rob - 16-May-18 @ 12:33 AM
fault on stirling little star The battery still reads full but the safety cut off keeps sounding and it won t engage the drive
jay - 15-May-18 @ 10:30 AM
When I'm on a hill on my 16mph ZT 15 B. As soon aa i let go brakes n pull back throttke it rolls backwards and won't stop untill I'm on a flat. How can I sort this so that it goes forward once i release brakes and pull throttle
Shaz - 9-May-18 @ 8:10 AM
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