Error I have a pioneer deh-1650 and when i am driving it will stop playing and ERROR-AO pops up.

For the radio? more info.....

I just had an "amp error" message display on my Pioneer DEH-15UB and it quit playing. No sound at all. It happened while I was driving my Jeep. When I got home I removed the passenger side speaker from the sound bar and found the previous owner had used a wood screw to hold the wire to the speaker. That screw came into contact with the metal roll bar and caused the error. When I installed ends on the wires the error message cleared itself and now works fine

This is a common error with these units when they get dusty from putting dirty disks inside the drive. Just go to your local staples and or walmart and get a 5 dollar disk player cleaning kit. It looks like a plain cd but has small fibers that come out of the bottom of the disc that clean the laser as it spins and tries to read it.

The beep reminds yoiu to take the face plate off. In addition only specific ipod software versions works. Try updating your ipods version.

are you useing cd rewrights some cd players dont like them ? have you tryed a cd cleaner in it ? if not try that if it dont do the job your find the laser needs to be reset in side the cd player this sometime costs more that what the head unit is worth it might be cheaper to buy a new one . let me know how you get on

Do you have a code that you had to enter to unlock the stereo? Have you tried to reset the stereo? Look in your owner's manual and look for a "RESET" button. If you don't have the manual, you can download one from pioneerelectronics.com.. Hope this helps...

If the discs PHYSICALLY get stuck, then the mech is damaged. A local shop MAY be able to fix it, but it might be a better investment to just replace the radio.

I read a solution on here where you disconnect the wiring harness for 30-60 mins. to release the power stored in the capacitors. It seemed to work for everyone. I don't know if you tried this for this amount of time or not. Also, have you used a cd cleaner disc? You laser eye may be dirty. Also, since you said it was an old, battered car, maybe the vibration is causing the unit to malfunction. Also, if the unit is installed at the incorrect angle in the dash, it can cause a problem. Hope this helps...

I have the same problem CD will not eject and getting error :S

Try buying a cleaning CD that will clean the laser lens and see if that helps. Otherwise it sounds like a trip to the repair shop for you. Good luck.