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Should i be worried ? DNA250C


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I'm the proud owner of a Vaperz Could DNA400C which i bought new in January 2023 round about May last year i noticed my DNA wasn't charging via USB. even though i don't charge any of my devices by usb i wanted it repaired. i sent it off to vaperz cloud knowing it was an easy fix because the spring had just gone making connection to the bottom of the battery door. this was creating the issue, vaperz cloud informed me that also there was something wrong with the board itself and they would have to send it to Evolve in Canada ( i live in the UK)  for a new board, this took 5 months round trip. i got it back the second week in November and after about 2 weeks of use it refused to fire. sent it again away to vaperz cloud where he found out that the wire to the positive pin had come off and he would have to solder it back on. ive been using it again for 2 weeks and more or less 8 times out of 10 when i change the batteries if auto fires by itself and i have to take the battery door off to stop it from firring, i put the battery door back on and it fine again.

should i be worried ? i really don't want to send it back again, since i bought it I've hardly used it.

Edited by Vapors Tongue
typo
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5 hours ago, dwcraig1 said:

Yes, be worried. Try here:

https://support.svsupport.co.uk/

thank you , I've basically copied and pasted what i said here , I'm not looking to pay for a repair as i feel i shouldn't have to with what vaprez cloud seemed to have created this problem ever since it went for a spring fitted then off to Canada. back again because the 510 wire came off and its firing on its own 8 out of 10 times when i change the batteries. all i can do is see what they say and probably get them to look at it. if they can do it under a warranty, or its going to have to go back to vaperz cloud again.

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It breaks my heart when I hear stories like this. I also have two HOG DNA400C myself and I haven't had a single problem with them. Well except the HOG theme crashes I believe when you select Info or something. They also install firmware SP33 which is the oldest firmware version for the DNA250C when you purchase your HOG. I also run this firmware on all of my DNA250C mods since it stops draining the battery after 60 minutes of non-use (I have over 25 DNA250C mods). The newer firmware versions keeps draining for 24 hours. And the latest versions have session mode which allows firing until you press the fire button again. It is used for non-eliquid stuff. You can disable session mode within EScribe if it is enabled in a Profile. I don't want it or use it, so I don't know much about it.

If I were you, I'd use another theme and use the original firmware SP33 just to try and see if the problem is still there. I can't see how a theme could cause this, but you never know. I'm not real hopeful that SP33 will fix it either. But both are easy to change and just maybe, something wonderful might happen.

Edited by BillW50
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Hi hopes, but doesn't sound like a board problem. Hopefully SV looks after it.

Bill, I just looked it up, over there 😉 while complaining about my 2 POS Paranormals. It was Jan 5, 2019, my 4s Lipo running SP38 I said "I have 2 Non C LiPO's that maintain their voltages for weeks. My one 4S LiPO Color mod drains about 3% over a 24 hour period of not being used." Which was only .1V per cell.

Now that we know of that long period before sleep, I still run the latest firmware so the mod doesn't re-read all working parameters like SP33 has to.

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3 hours ago, BillW50 said:

It breaks my heart when I hear stories like this. I also have two HOG DNA400C myself and I haven't had a single problem with them. Well except the HOG theme crashes I believe when you select Info or something. They also install firmware SP33 which is the oldest firmware version for the DNA250C when you purchase your HOG. I also run this firmware on all of my DNA250C mods since it stops draining the battery after 60 minutes of non-use (I have over 25 DNA250C mods). The newer firmware versions keeps draining for 24 hours. And the latest versions have session mode which allows firing until you press the fire button again. It is used for non-eliquid stuff. You can disable session mode within EScribe if it is enabled in a Profile. I don't want it or use it, so I don't know much about it.

If I were you, I'd use another theme and use the original firmware SP33 just to try and see if the problem is still there. I can't see how a theme could cause this, but you never know. I'm not real hopeful that SP33 will fix it either. But both are easy to change and just maybe, something wonderful might happen.

thanks for the info but i use my own custom theme on it , so i know the ins and the outs of what everything i have does on the device and session mode is disabled. i don't see the point in it myself. you have to hit the power button to operate it anyway another 3 to 4 seconds is hardly worth letting my finger go .. lol. now if it was auto draw that would be a different story.

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48 minutes ago, Wayneo said:

Hi hopes, but doesn't sound like a board problem. Hopefully SV looks after it.

Bill, I just looked it up, over there 😉 while complaining about my 2 POS Paranormals. It was Jan 5, 2019, my 4s Lipo running SP38 I said "I have 2 Non C LiPO's that maintain their voltages for weeks. My one 4S LiPO Color mod drains about 3% over a 24 hour period of not being used." Which was only .1V per cell.

Now that we know of that long period before sleep, I still run the latest firmware so the mod doesn't re-read all working parameters like SP33 has to.

i have another bit to add , its definitely wired up wrongly because I've just changed the batteries and without noticing i put 3 batteries in facing positive up and one positive down by mistake , shut the door and it powered up saying 3% battery life and i thought I've only just charged these and had another look and its then i noticed 3 facing positive it shouldn't powered up at all. anyway put them the right way and i got full charge showing but no auto fire this time. so Mr vaperz cloud has soldered it wrongly somehow. but im using it at the moment and it doesn't have issue being used its just when i come to change the batteries.

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51 minutes ago, Wayneo said:

Bill, I just looked it up, over there 😉 while complaining about my 2 POS Paranormals. It was Jan 5, 2019, my 4s Lipo running SP38 I said "I have 2 Non C LiPO's that maintain their voltages for weeks. My one 4S LiPO Color mod drains about 3% over a 24 hour period of not being used." Which was only .1V per cell.

Now that we know of that long period before sleep, I still run the latest firmware so the mod doesn't re-read all working parameters like SP33 has to.

Yes once the board goes into deep sleep, the drain drops down to microamps (or is it nanoamps, I forget) and I have left the batteries in some of them for years with little drop. You know it is in deep sleep when select, up, or down buttons won't wake it up anymore. You can force it into deep sleep also by removing the cells and then reconnecting. Pressing the fire button or connecting the USB will wake it up and the deep sleep timer starts from zero once again. I forget whether removing an atty and reconnecting wakes it up or not, but that is easy to check.

Some people are unhappy with higher than SP33 battery drain when they check a sitting DNA250C everyday. It makes sense since they are never entering deep sleep mode. A typical 2 cell DNA250C will drain about 4% per day if it doesn't enter deep sleep.

Another important thing happens in deep sleep. The puff counter gets saved. You won't lose puffs if the board is already in deep sleep when you swap batteries. This is true of not only of C-boards, but all DNAs with a puff counter. The only real lifetime puff counter on a C-board is the number that each puff info gets assigned with. That one is unaffected by sleep mode or not.

As far as reloading working parameters... I have never timed it, but I it seems like about 200ms and normally I wouldn't even notice.

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1 hour ago, Vapors Tongue said:

thanks for the info but i use my own custom theme on it , so i know the ins and the outs of what everything i have does on the device and session mode is disabled. i don't see the point in it myself. you have to hit the power button to operate it anyway another 3 to 4 seconds is hardly worth letting my finger go .. lol. now if it was auto draw that would be a different story.

Well session mode isn't useful nor there for vaping. It is there for heating other things that requires much longer time.

By the way, did you ever investigate why the HOG theme crashes? It is a low priority for me, but I am still curious. I was hoping my second HOG would have a working theme, but no such luck.

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1 hour ago, Vapors Tongue said:

and had another look and its then i noticed 3 facing positive it shouldn't powered up at all.

Oh it will power up with one cell reversed, it is just 2 cells cancel each other out. And it isn't healthy to run it that way with the reversed cell. If your theme displays error codes, it should display unbalanced battery.

1 hour ago, Vapors Tongue said:

anyway put them the right way and i got full charge showing but no auto fire this time. so Mr vaperz cloud has soldered it wrongly somehow. but im using it at the moment and it doesn't have issue being used its just when i come to change the batteries.

All of the wiring is on one end. The other end (door) is fixed with stamped out contacts. And the door has + and - how the batteries should be facing. Two diagonally are facing up and the other two diagonally are facing down. If it works with the batteries placed that way, it isn't miswired.

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1 hour ago, BillW50 said:

Well session mode isn't useful nor there for vaping. It is there for heating other things that requires much longer time.

By the way, did you ever investigate why the HOG theme crashes? It is a low priority for me, but I am still curious. I was hoping my second HOG would have a working theme, but no such luck.

i think the original theme is broken , somebodies has not checked it when doing the theme for it.

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  • 2 weeks later...

well having a chat with Vaperz Cloud who was very helpful and the guy from SV, all i can put this down to  a gremlin in the software. i opened up 2 escribes and my DNA without issue copied over to the escribe setting to the HOG that fired on its own for some reason and all that was different was temp was Fahrenheit instead of Celsius and ever since then I've had no issues with the HOG. whether someone can make sense out of that because i cant.

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