(MBlk) Mainline Break Leak

Lance Elliott Updated March 21, 2026 1 min read


When a mainline break leak alert occurs, flow has exceeded the mainline break threshold when irrigation is off.


Possible Causes

  • A mainline break

  • A broken fitting or fittings

  • A broken quick coupler

Possible Fixes

  • Locate and fix the break

  • Locate and replace the broken fitting or quick coupler


Clearing a Mainline Break Leak Alert from the Controller  

1.  Press  ALERTS.

2.  Press à until the VIEW FLOW STATUS screen displays.

3.  Press * to clear the alert. 


Clearing a Mainline Break Leak Alert from WeatherTRAK Central:

1.  Hover over the Alerts tab and click on Alert List. A list of all active alerts will display.

2.  Place a checkmark next to the alert you would like to clear.

3.  Press the Clear Flow and Electrical Alerts button. A pop-up screen displays asking you to verify the change. Click Yes.

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