Cincikid Posted August 23, 2016 Author Report Share Posted August 23, 2016 Ok so I'm having a problems with cell 3 discharging itself. I opened the board housing and this is what i found... See the black stuff? Mabey juice.. Idk. How should i go about cleaning this? Link to comment Share on other sites More sharing options...
VapingBad Posted August 23, 2016 Report Share Posted August 23, 2016 Isopropyl Alcohol and an old tooth brush. The best way to clean them is in ultrasonic with the correct detergent but it is not available in small quantities that I can see (do your own research if you want to try this as the wrong detergent or too long can cause damage). 1 Link to comment Share on other sites More sharing options...
wiredl0ve Posted August 24, 2016 Report Share Posted August 24, 2016 That looks like flux residue that wasn't properly cleaned from the board. Pure rosin flux isn't normally that bad, but you have no way of knowing what type of flux that is and it looks like the flux was burned. There also looks to be some melting on the jst connector where the tip of the soldering iron was pushed against it while either soldering or re-flowing the solder on the positive battery pad and I'm not even sure what the chunk is by the fuse, but I'd get that cleaned off too. I usually use everclear(or any PGA) to clean flux by applying some to a brush and the rest of the bottle to me. I'm not sure if the PCBs ever come clean, but I'm too drunk to care at that point. Link to comment Share on other sites More sharing options...
Cincikid Posted August 24, 2016 Author Report Share Posted August 24, 2016 Finally got to it. The iso and toothbrush seem to have done the job.Yesterday morning I cleaned the board and put my battery (c1-4.18, c2-4.18, c3-3.99) on the charge... I noticed steady (if slow) improvement throughout the day.. This morning i'm siting at 1c-4.20, c2-4.20, c3-4.15.Too soon to be certain but i'm pleased so far.If i ever have to clean the board again i will definitely have to try wirdl0ve's method.Thanks again guys. This forum is awesome! Link to comment Share on other sites More sharing options...
Conanthewarrior Posted August 29, 2016 Report Share Posted August 29, 2016 I just wanted to check if Electrical contact cleaner, that comes in an aerosol can, is OK to use? I have used it on other mods, but want to know it is OK to use as my Hotcig V1's fire button is sticky with juice-I know a spray of the contact cleaner will work, but I do not want to damage the mod. I will obviously spray and allow it to dry with the battery disconnected. Link to comment Share on other sites More sharing options...
BillW50 Posted August 29, 2016 Report Share Posted August 29, 2016 Yes electrical contact cleaner is fine. Link to comment Share on other sites More sharing options...
sotirisba1 Posted August 30, 2016 Report Share Posted August 30, 2016 I'm thinking of cleaning the board in isopropyl alcohol in an ultrasonic cleaner. I'll secure the IPA in a bag with the board to be safe. Will this be ok or the chip will die? Link to comment Share on other sites More sharing options...
sotirisba1 Posted August 31, 2016 Report Share Posted August 31, 2016 Ok, I did it. I just put everything back together and it works fine. Link to comment Share on other sites More sharing options...
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