Table 4–3. Model 715/C, 715/33, 715/50, and 715/75 ISL LED Codes
LED Display
Status
8 7
6
5
4 3 2 1
ISL executing.
ISL is autobooting from the Autoexec File.
ISL cannot find Autoexecute File.
No Console found. ISL Autobooting.
Directory of Utilities is too large.
Autoexec File is inconsistent.
Error reading Autoexec File.
Error reading from Console.
Error writing to Console.
Not an ISL command or utility.
Utility File Header inconsistent:
Invalid System ID.
Error reading Utility File Header.
Utility File Header inconsistent:
Bad Magic Number.
Utility would overlay ISL in Memory.
Utility requires more Memory than is
configured.
Error reading Utility into Memory.
Incorrect Checksum: Reading Utility into
Memory.
= LED On or Flashing
(Continued)
4–8
Troubleshooting