1 valve works, two don't

Phil Rubin
Updated at 2024-08-17 21:52:30 UTC
Topic: Troubleshooting
For some time the system worked perfect. Now I  have two sections that don't work. It turns out that the signal to activate the valve is too short. When I  put a meter on it and then activate the valve the meter jumps to 28v for about one second then drops to zero before the valve can move. Conversely the one that works stays at 28v for much longer. I have rebooted and reset the system.  Any ideas?
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