# ERG disabling on high power intervals

**URL:** <https://forums.zwift.com/t/erg-disabling-on-high-power-intervals/43142>\
**Category:** Bugs and Support\
**Tags:** resistance-error\
**Created:** [February 15, 2019, 11:21pm UTC](https://forums.zwift.com/t/erg-disabling-on-high-power-intervals/43142 "2019-02-15T23:21:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Luke\_Alexander-Dent](https://sea2.discourse-cdn.com/gozwift/user_avatar/forums.zwift.com/luke_alexander-dent/32/18888_2.png) [@Luke\_Alexander-Dent](https://forums.zwift.com/u/Luke_Alexander-Dent)\
**Post date:** [February 15, 2019, 11:21pm UTC](https://forums.zwift.com/t/erg-disabling-on-high-power-intervals/43142/1 "2019-02-15T23:21:28Z")

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Hello. Over the last couple of days I’ve done three different workouts (low cadence intervals, The Wringer and Jon’s short mix). Each time, immediately I pass the gate from a low power interval (warm-up or recovery) to a higher power interval, ERG mode disables. It doesn’t seem to matter whether I pedal like the clappers or go hard and slow. (It kicks back in for the next interval, which is always a recovery one, but I get that that is normal.) I’ve done two of these these workouts before without problems. Any ideas as to what I’m doing wrong?