Sony MHC-RV2 push power protect
Sony MHC-RV2 Push Power Protect messages will flash alternately when the protective device of the amplifier has been activated because a robust signal was input, or if there's a short-circuit detected.
To resolve the difficulty , turn the amplifier off and leave it off for a minimum of half-hour . If the difficulty continues to occur after the unit is turned back on, check the speaker cables to eliminate the short-circuit problem.