VS rDNA40 bad 510 contact

[danb]

I was wondering if anyone has any tips with an issue that has started (after 9 months use) causing problems with my Vaporshark rDNA40.

It seems the connection with the spring-loaded pin is deteriorating. Over the last couple of days I have been seeing rather large static resistances - I have confirmed that the issue is the mod by screwing the atty (a subtank mini) into a different mod and checking the resistance.

It's quite bad - a coil measuring 0.17 on the IPV D2 shows anywhere between 0.19 and 0.29 on the rDNA 40.

If I unscrew the atty and poke the mod's pin with a cotton bud and remount the atty, the resistance randomly changes.

So, can I open this thing up and fix it? I'm not experienced with mod electronics at all... any suggestions welcome...

 

[Tubbyengineer]

I was wondering if anyone has any tips with an issue that has started (after 9 months use) causing problems with my Vaporshark rDNA40.

It seems the connection with the spring-loaded pin is deteriorating. Over the last couple of days I have been seeing rather large static resistances - I have confirmed that the issue is the mod by screwing the atty (a subtank mini) into a different mod and checking the resistance.

It's quite bad - a coil measuring 0.17 on the IPV D2 shows anywhere between 0.19 and 0.29 on the rDNA 40.

If I unscrew the atty and poke the mod's pin with a cotton bud and remount the atty, the resistance randomly changes.

So, can I open this thing up and fix it? I'm not experienced with mod electronics at all... any suggestions welcome...

It's a proprietary 510 connector design, it migh just be that the 510 is dirty and causing the pin to stick, Try putting some Isopropyl alcohol into the top of the 510 then pushing on the centre pin, this should help remove any dirt thats causing it to stick - You may need to repeat this 3 or 4 times. If that doesn't fix it then getting to the 510 is pretty simple, whether you can find a 510 to replace it is a different matter, but as the 510 is just dropped into a locating slot it just pulls out - then you can desolder it and replace it...

 

[danb]

Try putting some Isopropyl alcohol into the top of the 510 then pushing on the centre pin, this should help remove any dirt thats causing it to stick - You may need to repeat this 3 or 4 times.

I'll try this first. I know IPA is non-conductive, but is it a good idea to leave it overnight to evaporate before using the mod? I am concerned that this will get some IPA inside the mod, and that this might be a problem.

 

[Tubbyengineer]

I'll try this first. I know IPA is non-conductive, but is it a good idea to leave it overnight to evaporate before using the mod? I am concerned that this will get some IPA inside the mod, and that this might be a problem.

Souldnt be a problem with a low voltage item like that - but stick it somewhere warm for a couple of hours and it will evaporate, I had an E-liquid spill into one of my rDNA's, simply took the cover off and washed the whole thing out with IPA...

 

[danb]

Souldnt be a problem with a low voltage item like that - but stick it somewhere warm for a couple of hours and it will evaporate, I had an E-liquid spill into one of my rDNA's, simply took the cover off and washed the whole thing out with IPA...

Good to know. Actually, I had a couple of quite dramatic leaks from the subtank in the last couple of months. Not sure why. This latest bout of dodgy connectivity occurred immediately after a fairly big leak (a little of which got into the 510) last night. This morning the resistance had settled in at 0.17 Ohm (matching the D2) and it's vaping fine. So maybe this has been the issue and it just needs a bath.

Thanks for all your help.