Zone won’t turn on when manually turn it on

Dennis N
Updated at 2019-05-18 17:52:30 UTC
Topic: Troubleshooting
Hello I’m having an issue when I try to manually turn on a zone it doesn’t go on. It always worked and started doing this. I trying restarting the whole thing and when I turned the zone on by the Solonid the zone comes on fine. Any idea? 
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Netro Inc
Updated at 2019-05-19 03:47:40 UTC

Hi Dennis,


Please check the wires. Are they loose or disconnected from the slots? Please also check the common wires and the master valve if you have one. If you believe the wires are correctly installed, please check if there is a main valve/faucet that is turned off manually. You might also want to check whether there are shorted zones or open zones. You just need to use a multimeter to measure the resistance between the common wire and each zone. The normal reading would be 20-60 Ohms. If the reading is less than 10 Ohms then you might have a shorted circuit in the solenoid and if it is larger than 80 Ohms you might have an open circuit. To test if the controller is working properly, use a multimeter (AC voltage mode) to test the voltage between the common wire and the zone wire when the zone is active. Normally the voltage should be between 24V and 28V.


Thanks