1. | Insert six discs into the audio unit and see if the changer moves between discs. Does the changer operate normally? YES - Intermittent failure, the disc changer is OK at this time.n NO - Go to 2. |
2. | Insert six known-good disks into the audio unit. Does the changer operate normally? YES - At least one of the original discs is faulty.n NO - Replace the audio unit.n |