Kyocera KM-C1530 - Manual (Page 246)

9 Touch Panel Messages
9-42 KM-C1530
9.7 When the Message “Malfunction detected.”
Appears
When the message shown below appears in the touch panel, a
malfunction has occurred within this copier. If this message appears,
contact your technical representative.
✎
Note
When contacting the technical representative, inform them of the code
(“C0400” in the example above) in the screen that appears.