When the port gets dirty and malfunctions, what kinds of symptoms are there? I was wondering if that might that be the cause of an issue that just started happening for me tonight.
I have one of the newer O-Phos pens. When I plug in the battery to try and charge it, I get a flash of red light and then nothing. If I pull it out and push it back in, the same thing happens.
I've had the unit in the charger for a while now (without the red light), and when I try and depress the button, the blue light does not come on, and the coil does not heat.
I tried cleaning the contacts, making sure the cartridge was not on too tight, and tried raising the center pin like in the video (gently
Nothing seems to work. Any ideas about the quick flash of the red light and the possibility of the USB port being dirty?