Subtank Mini; Ohms jumping like crazy?

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I just noticed this problem with my Subtank Mini this morning. I've had it a little over a month, but have barely used it. I finally got the RBA section out the other day, wicked it up, and loved the taste, so I've been using it for the past few days. I had to leave town this morning and I noticed my ohms jumping all over the place (My coil came out to .59, which always read .6 on my mods) I was using it on my sigelei 150, which is extremely accurate as far as reading ohms. It would be at 1.2, then after I hit it a couple times, it would go down to 1, then .7. It stayed at .7 for awhile, so I thought my sigelei was just off by .1, but it jumped back up to 1.2 again soon after. Once I got home, I put my Herakles and some RDA's on my Sigelei, and it was reading everything else perfectly. This had me thinking that there must have been a screw loose in the build, so I took the RBA section out and tightened the screws really good. Put it back on and it was still jumping around. I started to wonder if my insulator was melting so I put a stock coil in. After doing so, I put the tank on my Ohm reader (With the .5 ohm stock coil) to make sure it was reading correctly and it even had my ohm reader jumping all over the place? My ohm reader has never ever done this before. It's practically brand new. So I am pretty confused at this point... I thought for sure that there was a short somewhere or one of the screws had come loose on the deck, but why would the ohms still be jumping around even with the .5 stock coil in? The .5 stock coil had my ohm reader jumping from .72 to .84 to 1.1 then back to .82. I have never ever seen my ohm reader jump around whatsoever... It always has a steady number until turned off. If you have any idea what might be going on, please let me know. I feel like I have pretty much checked everything and I'm getting very frustrated! Any advice and/or recommendations would be very helpful. Thanks
 

WilsonPhillips

Senior Member
Feb 26, 2015
129
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I just noticed this problem with my Subtank Mini this morning. I've had it a little over a month, but have barely used it. I finally got the RBA section out the other day, wicked it up, and loved the taste, so I've been using it for the past few days. I had to leave town this morning and I noticed my ohms jumping all over the place (My coil came out to .59, which always read .6 on my mods) I was using it on my Sigelei 150, which is extremely accurate as far as reading ohms. It would be at 1.2, then after I hit it a couple times, it would go down to 1, then .7. It stayed at .7 for awhile, so I thought my Sigelei was just off by .1, but it jumped back up to 1.2 again soon after. Once I got home, I put my Herakles and some RDA's on my Sigelei, and it was reading everything else perfectly. This had me thinking that there must have been a screw loose in the build, so I took the RBA section out and tightened the screws really good. Put it back on and it was still jumping around. I started to wonder if my insulator was melting so I put a stock coil in. After doing so, I put the tank on my Ohm reader (With the .5 ohm stock coil) to make sure it was reading correctly and it even had my ohm reader jumping all over the place? My ohm reader has never ever done this before. It's practically brand new. So I am pretty confused at this point... I thought for sure that there was a short somewhere or one of the screws had come loose on the deck, but why would the ohms still be jumping around even with the .5 stock coil in? The .5 stock coil had my ohm reader jumping from .72 to .84 to 1.1 then back to .82. I have never ever seen my ohm reader jump around whatsoever... It always has a steady number until turned off. If you have any idea what might be going on, please let me know. I feel like I have pretty much checked everything and I'm getting very frustrated! Any advice and/or recommendations would be very helpful. Thanks


Remove the RBA from the base. Take a small screwdriver and put it into the center pin at the bottom of the RBA and tighten it up. It is most likely loose. This holds the top Positive side of the RBA together as well and it will throw off the ohm readings and it will not perform properly. Make sure you are holding the top pieces in the correct positions when you tighten the center pin.
 
Remove the RBA from the base. Take a small screwdriver and put it into the center pin at the bottom of the RBA and tighten it up. It is most likely loose. This holds the top Positive side of the RBA together as well and it will throw off the ohm readings and it will not perform properly. Make sure you are holding the top pieces in the correct positions when you tighten the center pin.

Thanks, I just tightened up. It was a bit loose. Still doesn't explain what was going on with that stock coil, but if the RBA is fixed, I won't need it anyway. Lol
 
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