I HAVE A RASCAL MOBILITY SCOOTER IT HAS BRAND NEW BATTERYS BUT IT RUNS VERY SLOW IT IS ONLY GITTIG 9.3 VOLTS TO THE MOTOR BUT THERE IS 24 VOLTS OF THE BATTERYS I CHECKED ALL THE WIRES THEY ARE GOOD WHAT DO THING I SHOULD CHECK ????? THANKS FOR YOUR TIME BOB
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18 volts is not enough voltage to run this scooter. You have 2 batteries that should each read a max voltage of 13.5 volts each or 26 to 27 volts when fully charged and measured in series. 2 batteries that are 50% charged will read 24 volts. Your batteries are almost dead by this measuring method. Charge them up or replace them and your scooter should run. Hope this helps.
Based on your description you have a bad throttle potentiometer or speed potentiometer. Remove the covers of the front console and check the resistance throughout the range of both pots at the connector. It should be even throughout the range with no dead spots. The newer CTE throttle pot is more reliable than the older model Celebrity scooter with the 5K ohm potentiometer. I usually replace the throttle and speed pots as a pair since they are connected electrically in the console.
Load test the batteries while you are driving. Using your voltmeter that is still connected under the rear cover while you are driving, check to see if you get a voltage drop of more than 1 volt. Static testing of batteries only tells you that there is a full charge. It does not give you an indication of how the batteries perform under load.
If you have clean brushes, you can still have a large amount of conductive brush dust in the motor and armature. Blow out the dust with compressed air. Check the motor and brake with you meter. The motor coil resistance should be less than 1.5 ohms and the brake should read between 40 to 60 ohms. Hope this helps.
me tool time you checked or changed about everything but did you check the electric brake. Sounds like the brake is not working or is working intermittentaly. The controller needs to get the right reading from the brake or the scooter will not go and when you release the throttle the brake should engage immediately. I can't give you a well thats the answer but you should at least ohm out the brake. If you can call rascal Company on Monday and ask for tech support they can give you what the reading should be Hope this helps
Does the scooter actually lose power after the 3 leds show ?
If it is losing power then a suggest to try some other batteries to confirm dodgy batteries, check the terminal connections etc.
If it does not lose power then the volt meter is at fault, if you can check the voltage before riding then after it shows only 3 leds , if there is a big drop, check the charger first to make sure the batteries are getting fully charged.