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Messages - PVNRG

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1
Energica / Re: If you have Key Less Start Avoid this Firmware
« on: June 19, 2021, 07:32:06 AM »
I have the same issue. I specifically ordered the bike without keyless ignition but it came with it anyway. Key not in range a lot with it in my pocket. Can't start bike sitting with it in my pocket. Changed batteries with no effect. Annoying that I have to hold the fob close to the front of the bike and wait forever holding down the button. Why couldn't it just come with a regular key?? As for the "3kW" charger, even with the battery temperature green at 240Vac and mid level charge (50%) it often times only does 2kW. Very annoying when trying to charge during a trip waiting next to the charge station. 3kW is a joke and 2kW effective sucks. DC fast charge is great but there aren't any around for the most part.

2
Energica / EGO Luggage Racks
« on: April 12, 2021, 06:54:01 AM »
Has anyone added top and or side racks to their EGO? I desperately need to add at a least a top rack to carry tools for work. Can't fit everything in a backpack.

3
Energica / Re: some Cheese for that energica Whine
« on: April 12, 2021, 06:50:38 AM »
Love the Energica overall, but it is way too loud. Used to be able to use the Sena for phone calls with the Zero with no background noise. People complain about the noise now.

4
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 29, 2020, 11:25:20 PM »
Thanks. You have convinced me to wait.

I will perform further testing this weekend to determine if the DC/DC is failed. Going to go get my benchtop variable power supplies and a whole lot of other equipment from my electronics lab today. Will hook up the current limited voltage limited variable power supply with very conservative overcurrent fuse protection to the DC/DC converter input and see if it works independently of the bike.

Will also do the same with the MBB and see if the console becomes available. Are pins 7 and 18 the only power inputs required to wake up the MBB?

5
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 29, 2020, 10:14:31 PM »
Thanks for the information Auriga, that is very helpful!!

It is a tax holiday here in MA so I'm thinking about buying all three today just in case. Since the battery is still under warranty, do you know if that includes the BMS? I would think it would include that. The dealer is open until 3pm here so I need to make a decision quickly. Hmm

6
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 29, 2020, 08:22:05 AM »
Also, thank you TEV, Auriga, AutoE, and Crissa for the help so far. It is greatly appreciated.

7
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 29, 2020, 07:52:22 AM »
The voltage was about 110V.

I have a USB / UART serial cable for connection to MBB but of course that requires a working MBB.

I do have a CAN bus adapter but have not used it with anything yet. I am assuming that the battery only communicates over CAN. Is there information on how to read the BMS? Register map? Or is there a console available somehow?

Going to try powering up the DC/DC from a separate fused external power supply next. Wish I had my bench power supplies from my electronics lab here at home... Time to move the rest of the "home office" / workshop / lab back to my house.

8
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 29, 2020, 05:28:13 AM »
So I got a 3A slow blow 1/4" x 1-1/4" fuse for testing purposes and installed it in the MBB fuse holder. With only the MBB connectors connected, the 3.1A battery fuse blew immediately upon insertion. Battery is still blinking with the OK indication.

9
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 29, 2020, 03:37:17 AM »
The BMS lights are out again. If I press the software reset button they come back with the right #4 one blinking green like all is normal. Weird.

10
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 28, 2020, 04:15:27 PM »
Thanks for the help Auriga. With a temporary fuse installed in the MBB fuse holder and the MBB connectors disconnected, there is voltage across the pins 7 and 18. Couldn't get a 4A fuse overnighted for testing here later today but was able to get 3A fuses. When the 3A fuses arrive I will try plugging the MBB connectors in without fuses installed, then add the fuses and see if they hold.

11
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 28, 2020, 08:18:08 AM »
Yes, I checked the voltage at the MBB connector with everything else unplugged too. Then I noticed that the 4A MBB fuse was blown, probably the reason for no voltage. I don't know why that fuse would be so big. Any idea? What else is it powering other than the computer? Can't imagine the MBB requiring 300+ watts. It would melt. I could try putting another fuse in and with everything disconnected check for voltage. Maybe that would rule out the battery?

I tried a new 3.1A fuse with everything disconnected except for the DC/DC converter and it blew. That's what I meant to say.

I can check the DC/DC converter using a fused external DC power supply. That would be completely independent of anything on the bike. Now that I think about it, it may make sense that the DC/DC enable line needs a delay before bringing it high to avoid inrush? Hmm, that doesn't really make sense though. I can try it when hooked up to an external DC power supply.

12
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 28, 2020, 05:43:12 AM »
I measured voltage between pins 7 and 18 and it was zero. I then checked the 4A MBB fuse and it was blown. There is good battery voltage at the DC/DC converter connector. With only that plugged in, inserting a 3.1A fuse in the battery immediately blows it. Seems to be multiple issues.

13
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 27, 2020, 09:26:05 AM »
Thanks TEV. I assumed that my signature would give the information. DSR 2016

Thanks!!

14
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 27, 2020, 07:53:32 AM »
I tested the DC/DC converter. Removed the MBB connectors. Jumpered the B+ and Enable on the DC/DC converter. Inserted the 3.1A fuse and it blew immediately. All signs point to DC/DC converter failure. I guess the next test would be to hook it up to an external power supply for final 100% confirmation that it is fried.

Will the MBB communicate via UART without power from the DC/DC converter? I sure hope it can't because I can't connect to it now with everything back to normal except for having the DC/DC converter disconnected. Help please?? Thanks

15
Zero Motorcycles Forum | 2013+ / Re: No lights on BMS
« on: August 27, 2020, 05:32:51 AM »
I pulled out the 3.1A fuse on the battery, the 4A fuse for MBB, the 1A fuse for I don't know what, and all the 12V fuses. Removed the DC/DC converter connector from it. Now the 3.1A fuse holds with both the 4A MBB fuse and the 1A fuse installed. Battery 4th LED blinking normally. Seems like the DC/DC may have fried or maybe the MBB. There is battery voltage on the DC/DC converter connector as measured when unplugged. Looks like a bear to get the DC/DC converter out. I installed the 2.5kW charge tank back in 2016 so that is in the way too. Next I think I will plug the DC/DC converter back in and test for 12V at the fuse block.

Interesting that the 1.3kW charger fried a couple of week ago and now these other problems have happened. Hopefully the MBB is OK!!

Let me know if you have any more ideas on this.

Thanks!!

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