I hope you can get this figured out. I am a newbie when it comes to any coils other than drop in replacement coils. I have just begun exploring using prebuilt coils, and hope to begin building them from scratch once I'm a little more comfortable with the prebuilts.
Thanks, and good luck with coil building. It's not too hard, and definitely worth it. I spent $18 about a year ago on some cotton and wire and have been using it ever since, and I still have probably more than half of it left. It's nice being able to make them how you want, when you want and not having to worry about running out and spending $20 at a local shop on a 5 pack.
I have the same problem with my standard pico and istick 100w tc.I think it's the spring loaded 510 connection not connecting.
So far if I press down on spring loaded 510 pin,let it snap up and wipe it off with a paper towel it'll start firing again like new.
The spring doesn't seem to force 510 pin back fully each time when atomizer is removed.
I'll pay attention next time it does it,but it seems to happen most after I switch from atomizers with longer 510 pins to shorter ones.
Limitless tank fits my istick but I have to press down firmly on the tank so 510 pin compresses the spring far enough to allow threads to catch other wise it'll just spin without catching threads.
I'll pay more attention but I may get a short reading also,but I have seen no atomizer pop up several times after switching or putting same tank back on.
It happens on both my standard pico and istick 100 tc but after cleaning and compressing the pin they fire like new.
This sounds more like what I have going on, but I only use my Subtank on it so longer/shorter 510 pins wouldn't be what's causing it (it's always the same pin). It can also go from working fine to getting that message without me even taking the tank off, which I thought was kind of weird. When I get the message, tightening the tank doesn't always fix it either, sometimes I have to loosen it then tighten it back on (it seems like if the pin was stuck down, tightening alone would fix it). However, since messing with the tank by loosening/tightening it does fix it, it seems like it would be related to the 510 connection, I just don't understand why or what exactly it is.
I've also wondered if it could be related to the firmware, I've seen people saying they were getting weird/inaccurate messages after upgrading it (ex. "too hot" or something when the battery was just low). I didn't upgrade the firmware, but I think I have the newer firmware (perhaps the megas ship with it while the original picos didn't).
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Edit: as far as readings, sometimes when I put my tank on the Pico it will show 1.55-1.60 ohms. Tightening it will get it down to about 1.45. I'm used to this from the iStick 100 and didn't really think it was a problem (just need to have a good connection), but thought I'd mention it since you mentioned readings.
