Same, I have three hose units at same place and 1 Has consistently thrown the no flow code since the last firmware update. I just purchased the other two last week and presumably, they uploaded the same firmware and those are not having the same issue. Unfortunately, I don’t have a flow meter but it is strong out of all three valves. Thanks for looking into… I just drove an hour and a half, because I figured the guy cutting the lawn kinked the hose. 
Another instance here, Firmware version 6.0.15. Get the no flow warning, but normal water flow to sprinkler heads. Seems variable, some runs no warning.
Keep us posted, if hardware issue, these are <1 month old timers, should I request a replacement unit?
Hi everybody! Since there are various issues that can lead to problems with flow detection. Our CS team will work with you if you have an issue with your valve’s flow detection feature. Our support team can be reached at support@rachio.com.
You can also get a pretty quick response during business hours by using the live chat feature on support.rachio.com (lower right corner of the page)
Rachio’s winter hours run October-March, 8am - 5pm (MST), Monday - Saturday. We are closed on Thanksgiving, Christmas, and New Years Day.
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