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Irrigation/Irritrol Total Controller Error Code

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RichM wrote at 2015-08-07 19:11:06
I know this is an old thread but if someone has the same issue, they might find this helpful.

I had the same issue on my Irritrol TC-12IN-B controller where all zones were reported as shorted. The zone valve solenoids and wiring checked ok and I determined it was the Irritrol controller that was the source of the problem. For those that are good with a soldering iron are are willing to disassemble the controller, I found that the 1000uF 35V capacitor (largest cap on the board) had failed. Replacing with a new capacitor resolved my issue.


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Jim Schaefer

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Any question regarding sprinking systems,installation,repair, and trouble shooting.

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I have been installing and repairing sprinkling systems since I was 15 years old. Have owned my own sprinkler system contracting business for over 26 years. It is basically the only job I've ever done, except for being a paper boy when I was young.

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High School diploma and 3 years college credits.

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