Tandy 1200 HD User Manual page 157

APPENDIX C
Error Messages
A. SYSTEM START-UP ERROR MESSAGES
If the computer finds a problem during its self diagnostic test, it will
give an error message that can help you or a technician isolate the
source of the problem. Most problems should be left to a qualified
technician, but the information given below could help you resolve
some problems by yourself. Other error messages are explained in
the DOS and GW-BASIC manuals.
SCREEN DISPLAY MESSAGES
88
Keyboard Error
ExplanatiodAction: The keyboard may be disconnected from
the system unit. Make sure your keyboard is properly
connected.
nn Keyboard Error
ExplanatiodAction: A key may be stuck. The "nn" is the
keyboard scan code for the stuck key. Make sure none of the
keyboard keys are stuck.
Diskette Error
ExplanatiodAction: The diskette drive may be disconnected.
If you have opened the system unit to add an option, you
may want to check that you did not accidentally disconnect
the diskette drive cable. Remember to turn off and unplug
the system before removing the cover!
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