Hello I'm new to this forum but I have been vaping for awhile now. I have the Ipv2 with lg he4 battery and Sony vtc5 that is a verified authentic. Last week I got a uwell crown tank with 0.5 ohm coils for convenience it worked great until my first coil change last night, using a new 0.5 coil tried on both of my batteries it keeps saying low res!! But it's reading my twisted messes at 0.44ohm 30- 75watts, does anyone know what I can do to fix it?