I have a contact sensor glued on a pail to collect rain water. Inside the pail I put a pump. The pump is connected to an exterior plug GE zwave plus. When the water rises in the pail, the contact opens. This triggers the switch to power the exterior plug, with a delay of one minute. This gives time to the pail to get more water.
So far the system is working pretty good. Except once last night where the contact did get opened, but it sounds like the HE forgot to activate the switch one minute later. Any reason why this would happen? How can I prevent that?
As you can see, at 20:10:02 the contact opened, and one minute later, at 20:11:03 you can see « prise arrière turned on ». But at 20:13:17 the contact opened again, but nothing happened one minute later. So the pail overfilled with water and we never got any more trigger after that.
Anyone can help on this?