Dear all
New to forum and have a basic understanding of electron is but am no expert. Also typing from phone so apologies for errors:
Bought a Freerider Knightsbridge mobility scooter, stripped-down and turned into ride on car for daughter. Didn't come with batteries so,I bought two 12v wet batteries and fitted these. Machine worked fine for a few runs over the course of a year then one day I noticed a burning smell and smoke coming from tiller circuit. Nothing too complicated on this, a diode, ports for speed pot and throttle controller and a relay. I thought initially that relay burnt out but on closer inspection the power rail trace had burnt through. Sent off to a friend who is an electronics engineer who replaced the trace with a wire and cleaned all contacts to avoid shorts that he reckons could have caused the problem. He checked the relay and said this was not the issue.
Anyway wired it back up ran,it round the garden, back out in the street and the same thing happened again. Friend at school (I am a teacher) reckons it could be over-volting as not using correct batteries but I don't see how, its a 24v scooter and the batteries are each 12v.
Any ideas
Thanks
Graham
New to forum and have a basic understanding of electron is but am no expert. Also typing from phone so apologies for errors:
Bought a Freerider Knightsbridge mobility scooter, stripped-down and turned into ride on car for daughter. Didn't come with batteries so,I bought two 12v wet batteries and fitted these. Machine worked fine for a few runs over the course of a year then one day I noticed a burning smell and smoke coming from tiller circuit. Nothing too complicated on this, a diode, ports for speed pot and throttle controller and a relay. I thought initially that relay burnt out but on closer inspection the power rail trace had burnt through. Sent off to a friend who is an electronics engineer who replaced the trace with a wire and cleaned all contacts to avoid shorts that he reckons could have caused the problem. He checked the relay and said this was not the issue.
Anyway wired it back up ran,it round the garden, back out in the street and the same thing happened again. Friend at school (I am a teacher) reckons it could be over-volting as not using correct batteries but I don't see how, its a 24v scooter and the batteries are each 12v.
Any ideas
Thanks
Graham