Anyone else having connections issues with this? I'm on my second one(first was replaced through dealer) and it has the exact same issue. It works fine for a few days then constant flashing of 9.99 ohm. Replacing coils, tightening, adjusting pin and changing batteries do nothing. If I change the air flow valve from one of my older Kanger Subtanks it works perfectly, so I assume the pin in the newly designed air flow is the problem.