Kawai K4 Owner's Manual page 85

APPENDICES
A-1. Error Messages
An error message will be displayed if an operation is incorrect or contains some error. If an error message appears, check
this section and take action as explained to correct the problem.
Messages Appearing During WRITE or SAVE/LOAD Operations
PROTECTET ! The WRITE PROTECT parameter for the Turn off WRITE PROTECT for
destination (internal memory or card) is ON. the internal memory or card.
(See P. 27)
Ho CARD! A LINK, WRITE, SAVE, or LOAD operation Insert the card correctly.
was attempted with the card not inserted.
ERR OF ! An attempt was made to select a Patch Use a correct card, or reformat
using a card not formatted for the K4/K4r. it. (See P. 26)
CAN T WRITE! An attempt was made to SAVE data to a ROM Use a RAM card.
card.
Messages Appearing When the Batteries Need Replacing
Cause Response
The backup battery for the K4/K4r is almost Contact your Kawai Service
Center.