# Spin down calibration fault

**URL:** <https://forums.zwift.com/t/spin-down-calibration-fault/511407>\
**Category:** General Discussion\
**Created:** [October 23, 2020, 12:11pm UTC](https://forums.zwift.com/t/spin-down-calibration-fault/511407 "2020-10-23T12:11:06Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Peter\_Davies\_HGC](https://sea2.discourse-cdn.com/gozwift/user_avatar/forums.zwift.com/peter_davies_hgc/32/504669_2.png) [@Peter\_Davies\_HGC](https://forums.zwift.com/u/Peter_Davies_HGC)\
**Post date:** [October 23, 2020, 12:11pm UTC](https://forums.zwift.com/t/spin-down-calibration-fault/511407/1 "2020-10-23T12:11:06Z")

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Since updating to the latest version of Zwift this morning I’ve noticed when performing the spin down calibration, it gets stuck at 1 mph and consequently does not complete. Anyone else notice this?

My setup.

1. Apple tv.
2. Kicker core - latest version with latest firmware

Thanks.  
Pete

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**Author:** ![Gerrie\_Delport\_ODZ](https://sea2.discourse-cdn.com/gozwift/user_avatar/forums.zwift.com/gerrie_delport_odz/32/437556_2.png) [@Gerrie\_Delport\_ODZ](https://forums.zwift.com/u/Gerrie_Delport_ODZ)\
**Post date:** [October 23, 2020, 12:20pm UTC](https://forums.zwift.com/t/spin-down-calibration-fault/511407/2 "2020-10-23T12:20:12Z")

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Hi @Peter_Davies_HGC

You can do the calibration using the manufacturer app. It get saved on the trainer not Zwift.

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**Author:** ![Peter\_Davies\_HGC](https://sea2.discourse-cdn.com/gozwift/user_avatar/forums.zwift.com/peter_davies_hgc/32/504669_2.png) [@Peter\_Davies\_HGC](https://forums.zwift.com/u/Peter_Davies_HGC)\
**Post date:** [October 23, 2020, 12:46pm UTC](https://forums.zwift.com/t/spin-down-calibration-fault/511407/3 "2020-10-23T12:46:55Z")

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Yes, thank you. I was aware of that…but never the less, this appears to be a bug/fault with this version of zwift?

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**Author:** ![Paul\_Allen](https://sea2.discourse-cdn.com/gozwift/user_avatar/forums.zwift.com/paul_allen/32/414916_2.png) [@Paul\_Allen](https://forums.zwift.com/u/Paul_Allen)\
**Post date:** [October 23, 2020, 12:49pm UTC](https://forums.zwift.com/t/spin-down-calibration-fault/511407/4 "2020-10-23T12:49:02Z")

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Zwift might not have the latest info on the firmware of trainers that is why @Gerrie\_Delport (and so do I) recommend using the manufacturer app to calibrate.