CHAPTER 9: Troubleshooting

The Disklavier does not recognize an USB flash memory.

The Disklavier restricts the usage of the USB flash memories to seven identical ones by recognizing the ID

information of the memories that have been inserted to

the USB port. (pg. 2) If you use USB flash memories other than the ones already recognized, shut down the Disklavier once before using them.

Certain USB storage devices may not function properly with the Disklavier PRO/Mark IV Series. For a list of compatible products, please visit www.yamaha.com/disklavier.

The Disklavier does not read a CD-R/-RW.

The song files should be formatted in ISO 9660 LEVEL1. The Disklavier may not read song files other than this format.

Some notes drop out during playback.

In Acoustic mode, when a piano song is played back at a low volume, some notes in trill or tranquil part may drop out. This is a characteristic of the Disklavier and not a malfunction.

PianoSmart playback cannot be performed.

Makes sure that the numbers indicated on both the SmartPianoSoft floppy disk and the paired CD are the same.

The I/O Center becomes hot.

Although the chassis of the I/O Center may become hot while the Disklavier is turned on (also in Standby mode), this is not a malfunction.

Noise is heard from the I/O Center.

The I/O Center contains HDD (Hard Disk Drive) and the HDD makes a disk spinning noise. This is not a malfunction.

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Yamaha PRO/Mark IV manual Disklavier does not recognize an USB flash memory, Disklavier does not read a CD-R/-RW