"JD" wrote in message news:0k9bf.4899$AC.358@dukeread10...
I looked for a fuse but couldn't find one, even when I removed the face
plate. I am not sure where else a fuse would be. I can't even get any of
the zones to run on manual. I believe the transformer is working because
the LED lights up, even when the battery back up is removed. I am not
sure
how to check the solonoids. I don't have a multi meter, but this may be a
good excuse to get one.
Thanks for the input.
JD

With a multimeter, you can disconnect the hot leads to the valves, one by
one, and measure the resistance between the hot lead and the common lead (no
need to disconnect the hot lead). It should read about 20 ohms in each
case. If you find one or two that are different from the rest you are close
to the problem. Could be shorted wiring or a shorted valve solenoid that is
throwing the controller in a protective mode. If they all read the same, it
could be a failed controller.

I'm not familiar with your particular controller. In my limited experience,
it seems many use the same, or a similar, chip but vary in the mechanical
aspects and software. But I hope these comments prove useful.

SJF