While you wait for answers, we may have found some information which could help you.
Click here for Code Car Stereo Unlockdp-mh5 won,t play cd,s or open and is displaying err05?
kenwood dpx 501u display fault?
How do I recode a Kenwood KDC-5016 CD Player?
Kenwood KDC-MPV6022 shows error mssg with all CDs. Help??
How can I fix the cd tray on a Kenwood DP 492 player?
is it possible to mend the LED on the front of the radio?