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Judy Lee

LCD screen replacement question

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I have a fat tire bike from 2016. 350W motor with 36v8.8Ah battery. Controller model: SD36ZWSR-LD01. The wire from behind the LCD screen was pulled out. I think I need a new LCD screen. I'm trying to buy an aftermarket one. How do I tell if my controller is 15A or 20A/25A? Would KT-LCD3 be compatible for my bike? Can I buy one from Aliexpress or only from Sondors? Please help!

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This post explained the parts comparability. 

I would suggest that if your bike is not from the original Indiegogo campaign, the only bikes who’s controllers are compatable with aftermarket LCD’s, that you use the opportunity to upgrade both your Controller and LCD from one of the 3 US based suppliers for about the same money as just the compatable LCD for your model Sondors  from Sondors.com. 

https://boltonebikes.com/collections/motor-controllers-and-displays

https://electrobikeworld.com/t/sondors-e-bike

https://lunacycle.com/sondors-upgrades/

There are other LCD options to consider but the KT-LCD3, is the original standard that will work on Sondors if your bike can use a generic LCD. See mike Ritchie’s post. 

image.jpeg.460181aebee7ca43d0f0c2b7c7188c24.jpeg

     REDDY

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I didn't get it in 2015 from the initial Indiegogo campaign but I did get the fat tire Sondors direct from Sondors during 2016 Kickstarter campaign. 

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You have two choices because your controller is not compatable with any aftermarket LCD, only the particular one for you’re model Sondors Fat from Sondors.com at an exorbitant price. But for about the same money you can buy a new higher amperage delivery controller (20or25amp, [more torque and slightly higher top speed] ) and the generic KT-LCD3, from any of the vendors listed above.. You can also choose to buy from Aliexpress but the savings is minimal and if any items you buy is bad or become defective, the return shipping you'll have to pay, is more expensive that the product, and it generally takes 4 to 8 weeks for delivery. I do use aliexpress for some accessories and new 750Watt Bafang Motors For Project builds but not for anything that I need NOW.

I bought two Kickstarter Sondors and an Indiegogo Original Fat.  

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           Reddy 

 

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I see. That's a bummer. So I guess my controller is 15A.

My son took the LCD screen apart and solder that wire back on. It looked like it was good and working but then we noticed that we can only make the pedal assist shift down but not up. So we started at 3 and it can only go down. Once we hit 0, then no pedal assist. Do you have any idea what he did wrong, by any chance?

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I bought the boltenebikes Wendy display and 25A controller but I'm having a hard time fitting the controller with the nosebottle battery.  Did I order the wrong part or am I doing something wrong? Please help!

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Hey Judy, You’ll most likely have to mount the new controller in a different position. I had to go back 4 years to see what I did. Others have devised other mounting locations and ways to secure it. Hook and Loop (Velcro) is an easy mounting alternative that you can buy at Home Depot or Lowe’s. 

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LEMMENO

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           REDDY 

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