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Just for reference, default settings for LBMC072152HK3AP: Decoded FOC file:
So, it looks like the number 2275 (08 E3) with offset 0012h has not relation to speed limit.

LB GUI v121.20.2300 connect to controller with USB-TTL (CH340) adapter or original Lingbo USB cable (CH340).

@vlad_vy
So you purchased a new Lingbo controller? I was also thinking of changing the controller. Are you thinking of using that one?

Yes, but this will lead to replacement of the dashboard, probably the handles, wiring and connectors changes. So while I'm in doubt.

Repaired the "Start" button, cleaned the circuit board and glued the membrane with RTV sealant.

If you take the original cables and plug, does this work? The assignment of the PINs on the controller should be the same as far as I have seen.

Most likely controller will work, but it has not RS485 bus (and higher level communication protocol), so it will not communicate with other RS485 participants (dashboard, battery, VCU). Also, I don't know how work and how connected some momentary buttons on handles (READY, emergency light button, cruise).

@deadropine
Can you send your version LB GUI v121.20.2300? I see that your screenshots in some places different from my screenshots. I can't directly edit some values.

Added small correction to both decoded FOC files. Offset 0104h: (bit 6 = 1, if High-Speed Percent > 100)

@vlad_vy
I cannot attach the software in the forum but you will find the software in this dropbox:

https://www.dropbox.com/sh/2yuly30y734x ... tracking=1

@deadropine
Thank you. By sorry it is the same LB GUI version I use now.

FOC file header, offset 001Ch and 001Dh.

001Ch: 7F : (bit 8 = 0, disable Throttle Upper/Lower Limit change) Controller ID
001Ch: 7F : (bit 4 = 0, disable Speed Limit change) Controller ID

001Dh: A0 : (bit 8 = 0, disable Motor Direction Setting change) Controller ID
001Dh: A0 : (bit 6 = 0, Motor BEMF Constant) Controller ID
001Dh: A0 : (bit 6 = 1, Motor Design RPM) Controller ID

@vlad_vy
Can you change those parameters or will they go back to the default settings when trying to transfer them to the controller. Is this "disable speed limit change" setting something that could help.