Zwift and Flux 2 connected but no response to pedaling when you start

Bugs and Support
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Hi,

I have had Tacx Flux 2 for several years with no issues or changes in the Laptop.

When I load up, it is reported as connected, as indicated on the front screen. When I go to start pedalling, there is no matchup on the screen, and the person on the screen does not move; there is no power input in Watts.

I have turned Zwift on/off, and reinstalled It; however, there is still no response. Any ideas?

Cheers

Alex

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Turn off Zwift and test it in the Tacx app so you can understand if the trainer works at all. And of course unplug the trainer and turn it back on again.

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assume your account is still active and you’ve not cancelled it?

4

I think in that case there are Watts on the HUD but no movement. Here we have no Watts.

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I have No watt movement

6

Tacx app - Is this the Garmin Training App?

Can you send a link?

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Hi @Alex_Williams_Saltwo welcome to Zwift forums.

Shuji at Zwift HQ here.I looked at your server logs and the usual suspects for the avatar not moving don’t apply to you: you have an active subscription, your power, resistance, and cadence signals from the trainer appear to be bonding correctly.

Please do try connecting the trainer to the Tacx Training app and see if the trainer works in Garmin’s own app. If no - you should be aware that your Flux 2 is using firmware version 3.3.40, which 1) is quite old and 2) had reported issues when it came out. It is possible that Garmin has released newer firmware that fixes this, so please check for newer firmware in the Tacx app.

If a firmware update doesn’t fix this - please contact my Support Team colleagues who can do a one-on-one deeper dive with you.

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I spoke with Garmin and sent videos through, it also does not work on the Garmin Cycling App.

They have advised that I would need a new trainer, as they reported not to have seen this issue before.

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Since you appear to be in the UK, you could also talk to this guy

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Interesting, because I have the same issue. I haven’t yet looked into it which i will do this evening… but it worked ok before the Zwift updated itself…. coincidence? who knows. I’ll check FW etc tonight and report back