Pioneer VSX-D912 Receiver "blinking err" Questions

ERR When standby light is blinking hold down ADVANCED SURROUND + ENTER, that will reset receiver. As soon as it resets hit the STANDBY/ON button, The receiver will shut off before the AMP ERR comes up

...BLINKING THE MCACC LIGHTS, WHEN I PRESSED ENTER + VIDEO2 BUTTON THEN IT GONNA DEAD COMPLETELY, PLZ HELP!!!! Not a fix, but an explanation of what it means... Register and download the manual for free ...

blinking. dear, I have a problem when we have been listening to music through headphones turned on the light mccac (amp.err.) and then blocked pioneer sc-lx75. the unit can no longer turn a blue light