Hi, ok i bought this amp the other day, and when i do the mcacc setup, It comes up with errer on the rears but it knows they are there . I have tested to make shore the cables is fine. I have reset the amp. I have phoned pioneer up , (didnt help really). It does the sound test part ok, but when fin it just comes up as errer on the rears, any one have this problem. ??? Thanks Ian.