did you check your fuses on the transient suppressor board? are they good? the trigger board draws its power from the main power supply...any spikes go right to it unless the transient suppressor board is good and working.
How to make the perfect "Half-Hitch" knot or any other boyscout knot in 3 easy steps...
1. Remove your meter leads from the meter and very carefully return them to their storage case or bag.
2. Wait 2 seconds
3. Very carefully remove your meter leads from their storage place and enjoy your new knot!