Hi,
I am running into a few different issues running ERG workouts on a Tacx Flux S. I’m not sure if it is related to dual-recording on a Garmin Edge 530, and still need to run an experiment to see if the issues persist in the absence of dual-recording. I’m documenting to see if anyone else has run into similar issues and may have some ideas on how to resolve.
Thank you!
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Sometimes the trainer holds the target interval power after the interval has ended, such that the power does not decrease at all to match the rest interval target power.
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Sometimes the trainer is unable to hit the interval target power, by a wide margin (eg: target 378, actual avg 219). I experimented by changing from ERG to “resistance mode” and manually shifting to harder gears ~3 seconds before the start of an interval, and that did not resolve the issue. I suspect this issue may be related to the following problem.
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ERG mode is only able to control the trainer within a 15-20W band. For example, if the target wattage changes by 40W from one interval to the next, the trainer only changes ~15-20W even accounting for time to allow the trainer to ramp up (or down) to match the new target power. As a workaround, I need to manually shift 2-3 gears when encountering this situation, which defeats the purpose of ERG.
issue 1
issue 2
issue3
- iOS 17.4.1
- running TD version 4.7.5
- power smoothing on
- Coach Jack workouts
- Tacx Flux S
- Recording workouts on Garmin Edge 530; issues exist whether recording as a standard activity profile with GPS turned off, or as an indoor trainer activity profile in free ride mode with 0% slope