kayfun v4 help

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Still no mention of the resistance on the coil. This RTA is not for sub ohm builds. So many possibilities of what could have gone wrong here. The pictures in the thread are not loading for me but from the conversation ensued. OHM METER A MUST WITH REBUILDABLES ESPECIALLY WITH MECH mods. The other point is that this atty is really only designed to go up to 20 watts if being used properly. Build your coils to achieve this when your batteries are fully charged.
 

Light Seeker

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Jan 31, 2013
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Have you 'zeroed' your meter? ....

What's the reading when touching the meters two leads together? Subtract this from the 1.5Ω you're reading on the coil.

Also check resistance at the 510 pin, and since its a brand new mech mod, ensure voltage is not there when fire button isn't pressed. If all checks out, you're good to go. Except your coil is still too small for a k4, you'll probably have occasional dry hits. I did when first trying 2mm coils in my k4s, this atomizer likes them bigger.
 

doofy666

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Dec 31, 2014
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Put a small screwdriver or similar into a airflow hole to help get purchase to turn the juice control. If this doesn't work, then loosen the 510 pin - the juice control will now turn.

If the JC always sticks and you always need to losen the 510 pin to turn it, then you probably have the machining error in the deck that affects some clones.
 
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