Hana V4M won't go into TC mode

[jakart]

I just got a Hana V4M a few days ago. Everything was great until today, had been using temp control with nickel coils on my herakles, silo, and ego one mega without problems... I tried putting a vaporshark nickel atlantis coil on my atlantis, and realized that the V4M was now not in temp control mode. It did not display the temperature, showed the volts instead. I could still change the temperature, but it remained in voltage mode. Tried all of my other tanks with their nickel coils and it still won't do temp control, stuck in voltage mode. Did I change some setting I don't know about? this is so frustrating, I have nickel coils on all of my tanks.

 

[ka724ka]

I got the same thing perviously and it fixed by power cycling the unit. Or, you would just leave it sitting for couple minutes and then it will go back to TC mode again.


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[jakart]

Pardon my ignorance, but how do I power cycle the unit? I don't see anything in the instructions about turning it off or on, mine just goes to sleep after awhile.

 

[jakart]

Man, it also flashes "weak battery" constantly, and now it just says "check atomizer" half the time when I put a tank on. Must have gotten a defective unit, unless I'm doing something wrong.

 

[ka724ka]

Just take the battery out and insert it back. It might be faulty unit, but battery and stuck in voltage mode are known glitches on DNA40.


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[jakart]

Cool, that actually did the trick for now. Disconnecting the battery is kind of a pain with the battery pack in the mini, but it worked

 

[ka724ka]

Glad you got it resolved.


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