1-554 Trouble locating and clearing procedures (continued)
297-8021-544 Standard 14.02 May 2001
TOPS MPX Power-on self-test troubleshooting
(continued)
Error Prompt displays on the screen. Consult the error codes and messages
table on the last pages of this procedure.
4
Replace the unit with the common procedures sequence of removing and
replacing a TOPS MPX terminal. To begin, go to
Removing a TOPS MPX
terminal from service. If the TOPS MPX position is replaced and the problem
persists, contact the next level of maintenance.
If
Do
The internal self-test of the system
finds an error.
Perform the following steps:
1. Write down the error number.
2.Compare error number with Error
Codes and Messages chart and
follow Suggested Action.
3. If you cannot see the IBM portion
of the screen go to step 4.
Error Codes and Messages (Sheet 1 of 3)
Error Code
Description of Failure or Error
Suggested Action
101
Interrupt failure
1
102
Timer failure
1
103
Timer interrupt failure
1
104
Protected mode failure
1
105
Keyboard controller command
failure
1
107
Hot NMI test
1
108
Timer bus test
1
109
Memory select
1
110
System board parity
1
XXXXX
ERROR CODES
IBM
OK
