IBM TotalStorage SAN256N Director 2045-N16, Installation And Maintenance Manual, Page: 131 / 157

Appendix A. Data collection and troubleshooting
111
TCM/TFIO/TSW PROM boot blink codes
15 FCPORT_FAULT_ISO_EPOR
T_LOGI_TH E-port login threshold has been exceeded on this port.
Fault isolation has shutdown the port.
16 FCPORT_FAULT_ISO_RSVD
_1_TH reserved
17 FCPORT_FAULT_ISO_RSVD
_2_TH reserved
18 FCPORT_FAULT_TRANSMIT
TER_FAILED SFP transmitter is working erratically or has failed.
19 POST-3 failure on a port.
Table 13. TCM/TFIO/TSW PROM boot blink codes
Heartbeat
LED Blink
Count Pattern
Error Code Description
Note: These codes appear on the Heartbeet LED while the red Fault LED is illuminated. The blink codes
are in decimal format with a 3 second pause between code restarts. Using 22 as an example, the
blink pattern would be: 2 blinks, pause, 2 blinks, long pause, repeat.
11 UNKNOWN ERROR Unknown exception
12 MACHINE_CHECK Machine check exception
13 DATA_CHECK Data check exception
14 INST_ACCESS Instruction access exception
15 EXT_INT External interrupt while PROM is running
16 ALIGNMENT Alignment exception
17 PROG_EXP Program exception
18 NO_FP Floating point unavailable exception
19 DECREnterprise
ManagerENTER Decrementer exception
21 SYSTEnterprise
Manager_CALL System call exception
22 TRACE Trace exception
23 INST_MISS Instruction translation miss exception
24 DATA_LOAD_MISS Data load miss exception
25 DATA_STORE_MISS Data store miss exception
26 INST_ACCESS_BREAK Instruction access breakpoint exception
27 SYSTEnterprise
Manager_MGNT_INT System management interrupt exception
Table 12. TFIO port blink codes (Continued)
Error LED
Blink
Count Pattern
Error Code Description