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@amberwolf thank you so much for responding to these various questions! Actually, my multimeter(s) are correct and the CA3/phaserunner were displaying the wrong voltage. I did get the answer back from Grin. I incorrectly assumed the voltage calibration setting was in the controller, not the...

I used to be in the semiconductor industry. Not every chip is perfect and exactly to spec. (However, this is very rare.) This can cause various anomalies like this...

To close the loop on this. It looks like it is a rare issue with a very limited run of the CA3 hardware. Grateful for a warranty replacement. Sending the old unit back to Grin for analysis. I decided to upgrade my controller to a Phaserunner since I'm rewiring anyway. So, now I have this...

Recently decided to replace my old Lyen 12fet controller and upgrade to the Phaserunner V6. The installation and testing is going well with the one exception of inaccurate voltage sensing on the controller. For example, my 16s pack shows 67.4v on the Phaserunner utility (& CA3), but the actual...

Thank you for the confirmation. I'll send this to Grin and see what they think.

I had the opportunity to try the suggestions (resetting to defaults) and verified it is definitely an issue with CA3 firmware v3.15 and beta firmware v3.2. Reversion back v3.14 again and speedometer function works fine. @amberwolf appreciate any recommendations. My hub motor is a generic 9C...

Good suggestion. Yes, I'll try resetting to defaults when upgrading and manually reenter parameters. Thank you!

Just recently updated my CA3 to firmware version 3.15 (latest stable) from v3.14. However, the speedometer function of the CA3 no longer worked (displays only 0.00). I verified the "pulse" settings (23) for a generic 9C hub motor. So, I downgraded back to v3.14 firmware and the speedometer...

It's a 9c from ebikling.

Well... Here's an update of my forever modified DIY ebike. Original picture of broken down, nonfunctional, rescued off Craigslist full suspension bike: Here's the "current" revision of my ebike with a custom 16s 67v 30ah battery that fits perfectly in the bottom of the rear rack case:

Sent PM about Sabvoton V2

Haven't viewed or posted for a long while. Thought I'd share my rack solution. I went with a multi - purpose platform carrier. Like this image below: Rated for 750 pounds. I added a Lund bike carrier attachment to my harbor freight platform. Total cost is around $85.

Just wanted to say thank you very much to zombiess for this thread! I know this is a very old conversation, but it resolved my issue with limited regen voltage options for my 12fet Lyen controller. XPD was not working for me. I'm running a 16s battery and the default options in the software...

Good question and thanks for posting this. I have the same question at a slightly different voltage. Subscribed

I didn't see an answer to the lyen programming cable compatibility question. I have a lyen 12 Fet and his cable does not seem to successfully upload to the controller. (download seems to work) Thank you

Thank you so much Justin and Teklektik for everything you are doing! Just received my 2 button DigiAux from you guys and installed b14 this weekend. I love it! The combination of the 3 position analog switch for presets and the 2 button DigiAux for pedal assist levels works awesome! I'll test...

I'm subscribed. I would like to know also.

Great question! Wondering if charging in parallel would work any better? You would probably need a special connector/switch to alternate between running/charging.

I tried a wired version of one of these volt/ amp meters. The only thing I would say is the LED display is difficult to read in direct sunlight. LCD displays are better for viewing in daylight.

Because you have good intentions... 8)

We'll I hope everything works out for you. I believe it is probably something very simple you have missed . My Lyen Controller has been bullet proof at 72v! Like most other technologies... You spend more money, you get higher performance features.

I purchased my USB-TTL programming cable from Lyen. I also saw them on the em3ev.com site here http://em3ev.com/store/index.php?route=product/product&path=41_38&product_id=101 You should do some research on what works for your controller. I would not assume these same cables will work. Of...

Yes exactly! Everything throttle related looked "good to go" on CA3. But the motor wouldn't run. Yes, for the regen to function it also had to be enabled on the controller.

I don't know if this will help but I just resolved a similar issue with my 12 FET controller and the CA3. I have added a second battery (A & B) to the CA3 configuration. However the second battery is a lower voltage so it requires lower LVC, regen voltage etc in the settings. I had...

Like I mentioned before, I'm running 72v 2800 watts on same Lyen controller without a heat or wire melting problem. However, my motor is a 9c and we still don't know what motor you have (or your controller's phase current settings) . You must have some monster motor drawing too many amps or...