Tesgo Hummer Pro Error Code 21

Ramrod1015

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May 30, 2022
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I have a Tesgo Hummer Pro folding bike, and today it stopped, and I am getting an error 21 code. I only have 75 miles on it. Does anyone know a fix for this?
 
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Deleted member 4845

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Well, I would start by looking up that error code in your owner's manual.

Next, find the 15 other brand names that bike is sold under, so that you might have a decent chance of finding the manual online.
 

Ramrod1015

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Manual was of no help. What other brands use the same configuration? When I turn the bike on, the display comes up, but when you press the throttle, you can hear a faint click in the hub motor.
 
D

Deleted member 4845

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Google the frigging error code and keep trying until you find a list.

I don't have them all memorized and I have never heard of your bike brand and I am not going to do the Google search for you.
 

Rules

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I have a Tesgo Hummer Pro folding bike, and today it stopped, and I am getting an error 21 code. I only have 75 miles on it. Does anyone know a fix for this?
Did you ever get this resolved? Dealing with this now and since there isn't a manual, waiting for support to respond back.
 

punxatawneyjoe

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"send a email to there support team there very quick to respond back"
NOT SO MUCH

I'm having the same problem died at 200mi. 0 response after many many inquiries.
 

punxatawneyjoe

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"The answer was the controller inside the bike frame has a nick in the wires and shorted out. They sent a new controller."

You are exactly right, thank you very,very much. Turns out the idiots who assembled it at the factory just push the controller box(with aluminum metal heat sink with sharp edges) inside the compartment with the wires and when riding it the box jumbles around and wears through the wires shorting them out on each other. (your welcome CHINA)

I repaired the melted wires and put a piece of velcro on the heat sink and one on the inside of the box to keep it mounted. They still haven't responded to any of my requests. If you own this bike i would reccomend doing this right away. Peddaling this tank from deep in the woods is not much fun.
 

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