I have same problem but with 3272 hilink modem. I use 2A power supply. Got lots of DC (unplugged) any have only one option. Power of modem and router and power on. Modem without mr3220 wok ok and no...

Region : Argentina Model : TL-MR3220 Hardware Version : V2 Firmware Version : ISP : Hi. I use long time my MR3220. I have little problem with him. Time to time (or few times in 5min) he disconnect...