(04-06-2017, 01:08)JT118 Wrote: First check the rain gauges, hook them up to multimeter and see if there is a reaction to the make and break of the reed switch.
If they are working then is RJ11 / 12 plug correctly wired to pins 3 & 4.
Just useful to know these first before trying to sort out the board.
What am I checking for? Will it show a short or will it produce a pulse of current, voltage? Or?
I just retouched a few solder joints around the area of the rain RJ12 and the LED and there was no change.