DENON RCD-M33 AXOUILLE34 - Last answer on 7 mars 2014 1 answer Hello, I have a Denon hi-fi system and for a while now the power button has been flashing orange. Apparently, it has gone into protection mode. If anyone knows how to unlock it, thank you. Show more Related links: What speakers for the Denon PMA-500AE? for Denon UDRA-70 mini hi-fi system Standby mode on Denon amplifier 1604 problem connecting the Denon Cocoon to the Wifi network: Plug a vinyl turntable into an AVR 1905 Denon Denon amplifier HDMI connection issue with TV box 1 answer Sorted by votes Votes Date Descending date Answer 1 / 1 angurva Have you tried unplugging it, waiting a bit, and then plugging it back in?