IBM RT PC Problem Determination Manual page 78

S t e p 81. B l i n k i n g T w o - D i g i t D i s p l a y
The diagnostic diskette may be damaged. Try a new diagnostic
diskette. If you continue to have problems:
1. Get a Problem Summary Form from Appendix B of this manual.
2. Write the Service Request Number 16-64A-F80 on item 4.
3. Have the system unit serviced.
Appendix B. Problem Summary Form
STOP. You have found the problem.
2-50 Problem Determination Guide