Mark Lloyd wrote:
I have my sprinkler system set to run from 9PM to 11PM (no other
time). The control box is NOT set to come on at any other time.

Today a neighbor told me it's been coming on during the night (3 or 5
AM).

Any ideas on what I could check?

Your neighbor's wris****ch?

Jeff

--
Jeffry Wisnia
(W1BSV + Brass Rat '57 EE)
"Rudeness is the weak man's imitation of strength."