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The last 2 posts

Monday, July 31st 2006, 7:08am

by Bill Painter

In MOST cases, replacing the diaphragm in that particular valve will solve the problem. However, there could be other problems ranging from bad wire connections to a bad triac in the clock on that perticular zone, a solenoid gone bad.... even the clock may have gone "bonkers" and dropped a portion of the program for that addresses that particular valve. If you have and can use a volt ohm-meter, check the continuity to the valve as well as the zone output voltage. Resistance should be between 20 and 60 ohms in that circuit, depending on the mfg'r. Try the other 2 valve circuits for comparison. The output voltage voltage should be somewhere around 24-30 Volts AC on the zone terminals.

Sunday, July 23rd 2006, 2:59pm

by jennys

one zone out of three stopped working

i have 3 zones, and the 3rd one suddenly stopped working--when i turn the little wheel on the valve, a tiny bit of water comes out of a few of the sprinkler heads, but that's all. when i close it again, nothing comes out. i have a control pad that i lost the instructions to, so in order to use the pad at all, i have to turn it to "manual" and then hit start to get the program run, which usually works ok. the other zones are fine. i dont know much at all about this system, could anyone maybe tell me what COULD be wrong? maybe is the valve broken? thanks!