Spindown callibration

[Paul_Southworth (Paul)]

Which trainer? If it’s a Zwift Hub there is a bug but it will auto calibrate under the right conditions.

Calibration wrench icon appears then disappears [October 2023]

HI @Kevin_Lopez @Ryan_Durham welcome to Zwift forums to both of you. We’re aware of the wrench icon disappearing after a few seconds, and we’re working on fix for that. In the meantime, your Zwift Hub trainer will autocalibrate as long as the trainer is on firmware version 4.0 or newer, and you’r…

If it’s not a Zwift Hub, then never calibrate it in Zwift. Use the manufacturer’s app.