cool fire iv plus reading? coils burning

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Charam1996

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Oct 24, 2015
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hi all, i have had my cool fire iv plus for about 6 months i use a crown tank and use elements pink lemonade at 3mg, ive had my uwell crown tank for around 2 months it worked fine and was performing amazing the coils i use are 0.5 ohm and lasted for about 3 weeks.... now all of a sudden 2 months after perfect use ive been through 3 coils in 1 week with my tank getting hot very quickly? and coils burning... all the juice and coils are from the same shop that is rated highly and is always packed... my cool fire iv plus is reading it at 6.0 ohm upto around 6.4 ohm when it used to be perfect reading of on 5.0 ohm could it be my mod? or does anyone have any clues thanks alot!
 

Rabbit Slayer

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May 19, 2015
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hi all, i have had my cool fire iv plus for about 6 months i use a crown tank and use elements pink lemonade at 3mg, ive had my uwell crown tank for around 2 months it worked fine and was performing amazing the coils i use are 0.5 ohm and lasted for about 3 weeks.... now all of a sudden 2 months after perfect use ive been through 3 coils in 1 week with my tank getting hot very quickly? and coils burning... all the juice and coils are from the same shop that is rated highly and is always packed... my cool fire iv plus is reading it at 6.0 ohm upto around 6.4 ohm when it used to be perfect reading of on 5.0 ohm could it be my mod? or does anyone have any clues thanks alot!

I'm going to assume all those should read 0.5 .64 ect...

the coils I get usually are .51-.59 and after 15-20 ml it goes up .1-.15

Could try cleaning the 510 pin and connection and see if that helps
 

JimDrock

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May 7, 2015
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My cool fire 4 also gets high ohm readings, and what I do is tighten the tank on it a little bit more until I get a satisfactory ohm reading. I usually have get the tank quite tight to get the ohm right.
Now my ohm reading was not as high as yours (maybe 1.6 when it should be .6), but when it was wrong my coil was running very hot too.
This might help, but be careful, as if yours is like mine, the tank will be very very tight on the cool fire, almost tight enough to break something.
 
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