Question about Weathermatic SL800 - SmartLine 4 Zone Base Controller Expandable to 8
Posted by Anonymous on
Locate the main valve and turn it on manually (there is a small lever at one end of the value which can be moved from vertical position to horizontal position to manually force the value open). Disconnect MVP wire from the control panel and try running the sprinkler system. If this works, this is just a temporary solution. For a permanent solution, try and see if the valve works just by replacing the solenoid (which can be unscrewed). If that doesn't work, then the main valve itself has to be replaced professionally.
Posted on Jul 29, 2015
Do you have a MV? If so there is a short in the wiring or solenoid. usually not the timer. Disconnect the wire from MV pin and see if it still faults. If no, not the timer.
Posted on Apr 24, 2014
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Posted on Jan 02, 2017
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