Hose Timer no flow detected

Was working fine but get a no flow detected error. I removed it from the hose and faucet and replaced batteries even though they were new but have the same error message. One time doing this helped, but now its not working. Confirmed I have Wifi connection and there is flow from the faucet when I take it off.
Would like to add that there is actually no flow, not just the error message. If I try a quick run, I see the message getting to the time but it does not turn on.

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