Self Test for Pioneer DRM-600, DRM-602X, DRM-604X, DRM-624X & DRM-1804X Self Test for Pioneer CD-ROM DRIVES 1. Eject all disc cartgidges from changer. 2. Power down the unit and disconnect the SCSI cable. 3. Set SCSI ID to 0. 4. Set selector switches on back of drive to the following: DRM-600 Set SW 6 & 8 Up, all others Down DRM-602X Set SW 3 & 4 Up, all others Down DRM-604X Set SW 5 & 6 Up, all others Down DRM-1804X Set SW 5 & 6 Up, all others Down Note: This test will NOT work if there are less than six CD's in the cartridge. Make sure that they are loaded with label side facing down. Also, the drive must be terminated. 5. Place the cartridge(s) in the unit and power on. If the unit operates properly: It will select one disc after another and: On the DRM-600 the Audio light will flash On the DRM-602X the Magazine Locked light will flash On the DRM-604X the 4X light will flash On the DRM-1804X the Audio light will flash For the DRM-624X, follow steps 1 through 3. DRM-624X Set SW 2, 3 & 4 Up, all others Down Place the cartridge in the DRM-624X, hold down the "Eject" and on the power. This must be done "simultaneously" On the DRM-624X the busy light will flash When these lights flash, the unit is indicating that it has successfully read each disc's Table of Contents. After the sixth disc, the cartridge will eject. If the unit is not functioning properly: If the drive fails to perform Self Test successfully, check discs for scratches and dirt. Swap discs to see if problem follows disc. If so, the disc is not readable. If problem persists, re-check setup. Should a failure occur contact Pioneer Electronic Service at: 800-872-4159 They will refer you to the closest Authorized Service Center