Cerbo bluetooth does not work after update to v2.85

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Henk asked Apr 22, '22

Cerbo bluetooth does not work after update to v2.85

Hi

2 days ago I updated my Cerbo from V2.83 to V2.85.
Update went well. But when I opened the victronconnect app I couldn't see my Cerbo anymore, only the VRM version I can see.
When I opened VRM I found out the ruuvitags didn't update anymore in the arm since the update.
Because the Victron app and the ruuvitags work by bluetooth and both not visible anymore it seems like the bluetooth doesn't work anymore.

What did I try.
*Rebooted phone and Cerbo.
*Tried another phone.
*Deleted bluetooth connection from Cerbo (as the help in the app recommends)*t
*Turned the bluetooth off and on in the Cerbo

Then I was looking into downgrading it to V2.83 because I think this is a good test to see if it is really because of the update. But I can not find anywhere the download of V2.83. Where can I find this?
And are there anymore things to try to maybe solve the problem?

Thank you in advance,
Henk

cerbo gx

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chris-john commented · May 03, 2022 at 07:03 AM

Having exactly the same issue

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Answer 1 · 2022-04-22T11:38:40Z

ponzoa answered · Apr 22, 2022 at 11:38 AM

My Ruuvi tags are working on a Cerbo with v2.85. Have you tried closing your Ruuvi app to release that connection of the tags to your phone so they can connect to the Cerbo?

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Henk commented · Apr 22, 2022 at 05:59 PM

I did not try close the ruuvi app. Because in victron connect i also couldnt see my cerbo on bluetooth.

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Answer 2 · 2022-04-22T13:56:00Z

jdsadventures answered · Apr 22, 2022 at 01:56 PM

Same issue here Bluetooth not working on Cerbo GX after firmware update. Following.

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Henk commented · Apr 22, 2022 at 06:02 PM

Here it works now with the same firmware.

I had my cerbo off the electrics for like an hour (not the ten seconds i tried before) and after that it worked really good. I hope it also works for you soon.(with this simple solution)

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Answer 3 · 2022-04-22T18:10:42Z

Kevin Windrem answered · Apr 22, 2022 at 06:10 PM

Ruuvi tags are working on my Cerbo running v2.85.

You may find v2.84 in the Stored backup firmware if you want to back down to that version to test/recover.

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Henk commented · Apr 23, 2022 at 05:44 AM

Where can i find stored backup? in the cerbo?

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Kevin Windrem Henk commented · Apr 23, 2022 at 02:50 PM

Menu / Device List / Settings / Firmware / Stored backup firmware

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Answer 4 · 2022-04-23T05:43:45Z

Henk answered · Apr 23, 2022 at 05:43 AM

Okay a little correction.

The ruuvitags work. The cerbo is visible in victron connect but doesnt want to connect.

De cerbo is grey instead of blue in victron connect after trying to connect.

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Answer 5 · 2022-04-24T08:05:31Z

Stefanie (Victron Energy Staff) answered · Apr 24, 2022 at 08:05 AM

@Henk

I tested this on 3 Cerbo GX. All 3 work fine with Venus OS 2.85.

At first I also thought that there was a problem with Bluetooth, as the interface took quite a long time to finally initialize. But looking more closely, nothing has changed compared to older Venus OS versions.

As for the grayed out Cerbo GX icon in VictronConnect, it indicates that some other mobile device or computer has an existing connection to the Cerbo GX. Make sure VictronConnect is terminated on all other devices or even remove the paring from the Bluetooth device list of your mobile devices.
The VictronConnect Troubleshooting Guide is a great help if you follow it step by step.

Above all, you should also personalize the PIN code. Otherwise anyone with VictronConnect would have access to your Cerbo GX. You never know ;-)
In our Marina I can easily access several Victron Smart devices on other boats because they still use the default PIN. If I connect to one of these devices and forget to close VictronConnect, it will keep the connection and the owner won't be able to connect because only one connection at a time is allowed.

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Answer 6 · 2022-05-01T20:44:01Z

chris-john answered · May 01, 2022 at 08:44 PM

I've had issues running 2.85 also. Toggle Bluetooth in settings and Bluetooth LED just won’t come on. I turned off Ruuvi tags and still no luck. I’ve also had the unit rebooting a few times a day (could be more but I’ve notice it reboot a few times). I’ve gone back to 2.84 and Bluetooth toggle works. Going to monitor for the reboot issue now.

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chris-john commented · May 02, 2022 at 02:41 PM

Nope still rebooting so going to go back to 2.85 and turn off Bluetooth on Ruuvi tags to see if that stops it rebooting

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Answer 7 · 2022-05-27T20:35:53Z

Miles Carter answered · May 27, 2022 at 08:35 PM

Updated from 2.84 to 2.86 and lost all Ruuvi tags. Rolled back to 2.84 and Ruuvi tags still disappeared. Done the usual bluetooth off/on etc but no difference. Can't add new Ruuvi tags either which makes me think bluetooth radio broken in this update.

I guess only fix is factory reset of the unit (annoyingly)?

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