On my fourth board. Built it carefully with some great help from UncleMud.
With first turn on with the DBT in place I got these values at 120ACV:
Both LEDs work
Current across each fuse = 0.430 +/- DCV
R7 is sitting at 8.07DCV
Loop IV = -0.793 DCV
R17 Offset = 005.2 mV
After 15 turns of R30:
Loop 1V moves from -0.795DCV to -1.049DCV
R7 = -08.18DCV
R30 = 00.0 mV
R17 = 7.9mV
I actually pushed R30 to 20 turns, but still no measurable value on R30, but the Loop IV increased to ~ 1.300 DCV
Do I have a bad Pot at R30?
Do I continue to move R30 even though the Loop IV is increasing?
And particular spot to check on the board?
Thanks
With first turn on with the DBT in place I got these values at 120ACV:
Both LEDs work
Current across each fuse = 0.430 +/- DCV
R7 is sitting at 8.07DCV
Loop IV = -0.793 DCV
R17 Offset = 005.2 mV
After 15 turns of R30:
Loop 1V moves from -0.795DCV to -1.049DCV
R7 = -08.18DCV
R30 = 00.0 mV
R17 = 7.9mV
I actually pushed R30 to 20 turns, but still no measurable value on R30, but the Loop IV increased to ~ 1.300 DCV
Do I have a bad Pot at R30?
Do I continue to move R30 even though the Loop IV is increasing?
And particular spot to check on the board?
Thanks