i would like to nkow why when you check a tube that the m,eter gos back ward thank you

Eddie, forgive me, but I didn't search for the schematic. Maybe you could link it here? Is it on all test modes?

But, possiblities: The diode is wired backwards or the meter is wired backwards.

:i would like to nkow why when you check a tube that the m,eter gos back ward thank you

:i would like to nkow why when you check a tube that the m,eter gos back ward thank you

Eddie,

Has the tube tester always done this since you have had it or did it just start?

Radiodoc