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swapped in a new one and it worked like a boss. guess the tube just gave up the ghost

Thanks tony, i happened to pick up 3 spares a wile back for just this scenario. ill swap em and let you know what happens

not seeing that kind of voltage on any of them. looks like between 40vdc is what im getting on all of them. the one thats out is showing slightly higher at 50vdc. sorry for the lapse.

i work away from home for 14 days at a time so i unplugged it before i left, when i came home and plugged it back in it just refused to light. what am i checking the voltage across?

also i noticed i mislabeled the subject, should be third. its late here...

my unit ran with no issues for over a year, but the middle tube just stopped working. led lights up. but nothing from the tube. i need to know what to check to troubleshoot. thanks tony!

after you sand the edge of the case layers( i used some 400 grit wet dry) take a drop of wd-40 to your finger and oil the area you sanded then wipe it off with a paper towel, it makes the edge really polished looking and returns the sanded area to the color of the rest of the material.

Tony, got a new dht11 and the thermo is running great. very happy.

No worries Tony, i got one coming from amazon. be here tuesday. thanks for your help!

Tony. looks like a dead dht11. bummer