I have just plugged a gem retro treadmill into my star trac etrx treadmill (CSAFE is enabled on treadmill). I get a green light appear on the module. I go into zwift and connect the gem module as a sensor. I the amber light now illuminates. I start my run but the sensor doesn't appear to be sending out any run speed data. I can turn the speed to whatever I like on the treadmill and yet zwift speed remains zero. Am I doing something wrong, or is there a way to diagnose what stage is failing?
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