3-28 Compaq ProLiant ML570 Maintenance and Service Guide
1100 – 1199, Serial Test Error Codes
The 1100 series of diagnostic error codes identifies failures with serial/parallel interface board
or system board functions. Corrective action may require replacement of the serial/parallel
interface board or the system board assembly.
Table 3-9
Serial Test Error Codes
Error Code Description Recommended Action
1101-XX Serial port test failed.
1109-XX Clock register test failed.
1. Check the switch settings on the serial/parallel
interface board (if applicable) and retest.
2. Replace the serial/parallel interface board
(if applicable) and retest.
3. Replace the system board and retest.
1200 – 1299, Modem Communications Test Error Codes
The 1200 series of diagnostic error codes identifies failures with the modem. Corrective action
may require replacement of the modem.
Table 3-10
Modem Communications Test Error Codes
Error Code Description Recommended Action
1201-XX Modem internal loopback test
failed.
1202-XX Modem timeout test failed.
1203-XX Modem external termination test
failed.
1204-XX Modem auto originate test failed.
1206-XX Dial multifrequency tone test
failed.
1210-XX Modem direct connect test failed.
1. Refer to the modem documentation for correct
setup procedures and retest.
2. Check the modem line and retest.
3. Replace the modem and retest.