Ni200 coil gets too hot intermittently

[ukeman]

I wrap spaced single 26ga spaced coil ni200 8-9wrap 3.5mm diameter, about .10 ohms (+/1- .02).
Lava box dna 75 temp set at 440F, 35W. Using my favorite Avocado24 bottom air, for weeks and perfect vape. But lately it was vaping fine then I come back and its firing way too hot! I have to take the temp down about 100F.... and sometimes still too hot.
I look for short in coil and posts and nothing looks different.
Could it be something wrong with the positive post in the atomizer??

 

[93gc40]

Maybe it's time for a new coil........ they don't last forever..... I assume you've change the wicks a few times in those weeks.

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[ukeman]

I change coils every couple 3 days... wicks get changed if I dont want to do a new coil. Gets gunked because I like a warm vape with a bit of crackle, but still smooth.

 

[93gc40]

Ok I miss understood.... thoughts you been using same build for weeks.......
Suggest complete disassembly if atty and inspecting and cleaning it...... you could have just some internal connection issue..... you could also just be in a bad patch of wire in the spool. Maybe the weather has changed enough to warrant different power levels or build. But i would be looking for dirt or a weak insulator. Maybe the post screws are wearing.

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