<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1534528399140_3305">Ouch.</div><div id="yui_3_16_0_ym19_1_1534528399140_3366"><br></div><div dir="ltr">In my experience problems with clogged heads and other water related issues are much more common than electrical issues. It would have also taken me a while to suspect the sensor, which was one of the newer pieces. Too bad the failure mode saves water instead of saving plants.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1534528399140_3367"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1534528399140_3368">I suggest you get some B-1 from your favorite garden supplier and use it generously on the valuable trees. <br></div><div><br></div><div id="yui_3_16_0_ym19_1_1534528399140_3369"><br></div></div></body></html>