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Subtank mini rda nickel coil

Hi there I have a subtank mini that fires fine then it won't fire if I tap it hard a couple times it'll fire again I'm stumped all all screws are tight coil is not touching anything
 

Neunerball

Platinum Contributor
Member For 4 Years
Member For 3 Years
ECF Refugee
Do you have an Ohm meter to test the coil? From the sounds of it, there's a loose contact somewhere. Nickel coils can be finicky.
 

Neunerball

Platinum Contributor
Member For 4 Years
Member For 3 Years
ECF Refugee
When was the last time, you cleaned the 510 connection on the mod, and the tank? I clean the connections once a week, at least every other week. Put some alcohol (90%+) on one side of a q-tip clean the contacts, use the dry side to wipe the contacts dry. Let it sit for a Minute, in order to let eventual left over alcohol evaporate. Re-assemble.

Is the coil your own build on the RBA, or are you utilizing replacement coils? With a replacement coil, I'd switch it out with a new one. With your own build, I'd re-check the coil and it's contacts on the posts. You can cut the wire, when you over tighten the screws.
 
The cleaning with alcahol worked thanks. It's my own build 28g ni200 12 wraps on 3mms nail 8d my ohm reader says .17ohm The sigelei says .2ohm
 

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