Table 5-1, Clean, tape, drive and ready led sequences – HP Integrity NonStop H-Series User Manual
Page 27
Troubleshooting
M8705A Tape Drive Installation and User’s Guide — 694638-001
5 -3
Understanding LED Sequences
The LED sequences in the following table relate to the Clean, Tape, Drive and Ready
LEDs:
Table 5-1. Clean, Tape, Drive and Ready LED Sequences
LED Sequence
Cause
Action Required
All LEDs OFF
Drive may not have power,
may be faulty or may have
been power cycled or
reset during a firmware
upgrade.
Make sure the drive is
switched on. The power
on/off switch on an external
drive incorporates a green
LED.
Check the power cord
connection and replace the
cable if necessary. On
external drives, you can use
the power cord from your
monitor or another device to
check that the connection is
working.
If the power supply is present
and all LEDs remain off,
power cycle or reset the
drive. If it still fails, call for
service.
Ready and Clean OFF.
Drive and Tape FLASH
The drive has failed to
execute power-on self test
(POST).
Power cycle or reset the
drive. If the error condition
reappears, call for service.
Ready is ON
The drive is ready for
operation
None. This is normal.
Ready FLASHES
The drive is carrying out a
normal activity (read,
write).
None.
If the drive is upgrading
firmware, do not reset or
power cycle it.