hub motor problems

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hub motor problems

Post by » Apr 21 2017 11:17am

have a hub motor on catrike expedition hub motor with pedelec mode works for the first 8-10 miles
then starts cutting out and running erratically running choppy and shorter in an out ,, ok the torque sensors are maybe faulty so i start to use the thottle and the motor runs great with throttle
so if it was connections , why would the motor run good in throttle mode ??
then i try to use pedelec mode again and the motor will not run right
go back to using throttle it works fine so i think its got something to do with
torque sensors ... does this make sense , has anyone had this happen to their
hubmotor ????

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Ykick   100 GW

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Re: hub motor problems

Post by Ykick » Apr 21 2017 4:23pm

Can you feel more thrust above PAS mode when applying throttle? If not, you may just be hitting battery BMS cutoff with the PAS and not when using throttle because maybe your throttle doesn't apply as much throttle signal as PAS does? It's sort of a long shot but easy enough to rule out?
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motomech   1 GW

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Re: hub motor problems

Post by motomech » May 29 2017 9:28pm

If everything is fine for 8 to 10 miles, I would be looking at the battery.

'03 Rocky Mountain Edge 2WD 260 Q100H frt and Ezee V1 rear 2 Elifebike 20A & 25A 9-FET controllers 12S/10Ah Multistar Lipo rear 4Ah Turnigy frt Luna Cyclops Extra lite Alex 24DM rims, Crazy Bobs run ghetto tubeless. 25 mph. Mean Well HLG-320H-54A ... =3&t=83430
'07 GT Idive 4 4.0, Q100C 201 14S LiPoly elifebike 9-FET 20A controller. 23 MPH. ... 4#p1378484

Voltron   10 MW

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Re: hub motor problems

Post by Voltron » May 30 2017 11:36am

If the problem shows up and goes away predictably from the PAS, then it's prob not the battery.
Do you have an actual torque sensor, or a PAS that just senses that the pedals are going around? Either way I guess, it could be a weak connection on one of the wires, or a hairline break in a solder trace that heats up slowly during use until it starts glitching. How long do you need to leave the system off before it starts going for the 8 or 10 miles again?

d8veh   100 GW

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Re: hub motor problems

Post by d8veh » Jun 14 2017 3:55am

You need to tell us what sort of pedal sensor you have. You mentioned a torque sensor?

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