OpenSprinkler Forums Hardware Questions 24VAC solenoid won’t turn on opensprinkler only reports 20mA Reply To: 24VAC solenoid won’t turn on opensprinkler only reports 20mA

#66339

Ray
Keymaster

– Voltage should be measured as AC (not DC) voltage between COM terminal and any zone port.
– When a zone is off, the AC voltage measured is stray voltage and doesn’t matter (it may or may not be 0, but it doesn’t matter).
– When a zone is on, the AC voltage measured should be close to the power supply voltage (about 24VAC).

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