Either manual or with the app, a zone will start, run briefly then stop. App and device both say the zone is still running.
This is a replacement 12 zone timer. I have had a six zone for several years and it has and continues to work perfectly with the same app. Also the new controller keeps going offline, I have checked my wifi and it is fine. The old 6 zone is in the same location! Also I can use my app to control my 6 zone timer from out in the garden which is great. If I try to control the new 12 zone from there, it is offline.
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