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Senior Member

Posts: 15

Location: Montana


Saturday, March 27th 2010, 9:10pm

If you are getting voltage at the master valve (24 - 26 volts), then its time to replace the solenoid of the master valve. If you aren't getting voltage at the master valve, then the problem is in the wiring connections or wire (cut, chewed up) between the valve and the controller.


Supreme Member

Posts: 5,323

Location: Metro NYC


Monday, March 29th 2010, 8:48am

Don't be satisfied with just voltage readings. Pros test for resistance in suspect wiring.

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