First make sure the latest firmware is installed on the Zumo.
Stick with ANT+ and try pairing only the Zumo and your TICKR.
Skip the Stages and Powermatch options.
See how that setup fares on your next ERG workout.
It has the latest firmware.
I want to use the powermeter power not the zumo power so want to use the powermatch.
Eliminate the variable and test it.
If that works without issue then the problem is with Powermatch.
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