"Fuse" warniong on two zones

John Wig

Unregistered

Wednesday, May 4th 2011, 7:53pm

Thanks Boots, but....

You kind of lost me on the last one. Set to AC...connect to the controller common and to the system common...what do I look for there??........Also....the zone in question (which is actually 2 valves because two wires are connected to that zone) it worked today....????

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Wet_Boots

Supreme Member

Posts: 4,102

Location: Metro NYC

Wednesday, May 4th 2011, 8:06pm

AC current readings are kind of advanced, and a lot of multimeters don't even have AC current as an option. If the system works 100 percent, there's nothing for you to find. If a zone with a 20-ohm solenoid trips the 'breaker' you measure its resistance, and look to see a reading of at least 20 ohms. A lower reading would indicate a short. A zone with two valves would be more likely to be an overload.