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reply to leibold

Re: My four out of nine stations won't come on

I finally got it fixed but I had to hire a expert to trace out the open wire. They used the locator to identify the open COM node between valve#05 and valve#04. The confusion was that the COM wire run from valve#9,8,7,6,5,4,3,2,1 in that order but the controller connected to valve#1,2,3,4,5,6,7,8,9 in that order. That was why the first 4 valves (1 through 4) stop working because the COM wire open at valve#5. First 4 valves worked when the COM wire of valve#05 was reconnected.

Anyway, thanks for your help and I hope that this lesson-learned can be applied for someone else if they run into the same issue.
One more thing, it costs a lot ($$$) when you call a service that you're not sure what is wrong with the system (they will think something to charge you as even the issue is just a simple fix).