# Virtual power gone mad due to low temperatures? **URL:** \ **Category:** TrainerRoad Software\ **Tags:** power-issues\ **Created:** [November 20, 2018, 10:35pm UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186 "2018-11-20T22:35:54Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Pipipi](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/pipipi/32/157705_2.png) [@Pipipi](https://www.trainerroad.com/forum/u/Pipipi)\ **Post date:** [November 20, 2018, 10:35pm UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186/1 "2018-11-20T22:35:54Z")
![image](https://global.discourse-cdn.com/trainerroad/original/2X/2/21b60afc9ec9993ca7a1c365cdf476b65a084659.jpeg) Just wondering if this has happened to anyone else? Not sure if it’s a problem with my old iPad or maybe with the trainer slipping on a cold drum? ---
**Author:** ![EKF](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/ekf/32/143001_2.png) [@EKF](https://www.trainerroad.com/forum/u/EKF)\ **Post date:** [November 21, 2018, 1:29am UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186/2 "2018-11-21T01:29:34Z")
I once did a trainer ride outdoors when it warmed up to -5C or something one winter because it was a sunny day. Didn’t have any dropouts or issues. It could be one of your sensors. When the battery is low on the speed or cadence sensor and I lose the connection, this happens. I think it only happens if the speed sensor isn’t picking up. ---
**Author:** ![KRino](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/krino/32/31059_2.png) [@KRino](https://www.trainerroad.com/forum/u/KRino)\ **Post date:** [November 21, 2018, 3:24am UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186/3 "2018-11-21T03:24:59Z")
Not directly related to your question, but I’ve noticed power between Kickr and TR lagging at the beginning of workout since it got cold in my basement. It’s taking 10-20 seconds to come up to target power when the workout starts. No issues or dropouts after it reaches target. Just the lagging at the beginning. ---
**Author:** ![Pipipi](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/pipipi/32/157705_2.png) [@Pipipi](https://www.trainerroad.com/forum/u/Pipipi)\ **Post date:** [November 21, 2018, 5:51pm UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186/4 "2018-11-21T17:51:31Z")
![image](https://global.discourse-cdn.com/trainerroad/original/2X/a/af44befba987d07a23bd4fd1f65f7ba17397270e.jpeg) Trying to do a ramp test but this is very demotivating. I’m thinking it’s either the weather being cold in the UK or the TestFlight update. ---
**Author:** ![stevious](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/stevious/32/3159_2.png) [@stevious](https://www.trainerroad.com/forum/u/stevious)\ **Post date:** [November 21, 2018, 7:01pm UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186/5 "2018-11-21T19:01:55Z")
I had something a bit like that when the battery on my speed sensor was running out. Could you check that? ---
**Author:** ![JoeX](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/joex/32/6640_2.png) [@JoeX](https://www.trainerroad.com/forum/u/JoeX)\ **Post date:** [November 21, 2018, 9:04pm UTC](https://www.trainerroad.com/forum/t/virtual-power-gone-mad-due-to-low-temperatures/6186/6 "2018-11-21T21:04:50Z")
Wipe down the tyre too, excess rubber messes up the resistance which shows up on the power stats.