HP Integrity NonStop H-Series - Manual (Page 44)

Troubleshooting
M8505 Tabletop Tape Drive Installation and User’s Guide— 541949-002
5 -2
Understanding LEDs
Table 5-1 interprets the front panel LED sequences and the appropriate action to take.
Table 5-1. Using LEDs for Troubleshooting
LED
Sequence
Cause Action Required
All LEDs OFF.
Tape drive may not have
power, may be faulty or
may have been power
cycled or reset during a
firmware upgrade
If the power supply is present and all LEDs
remain off, press emergency reset or power
cycle the tape drive. If it still fails, call for
service.
Ready and Clean OFF.
Drive Error and Tape Error
FLASHING.
The tape drive has failed
to execute power-on self
test (POST).
Power cycle or reset the tape drive.
If the error condition reappears, call for service.
Ready is ON.
The tape drive is ready for
operation.
None. This is normal.
Ready is FLASHING.
The tape drive is carrying
out a normal activity (read,
write).
None.
If the tape drive is carrying out normal activity,
do not reset or power cycle it.
Ready is FLASHING fast.
The tape drive is
downloading firmware.
None.
Do not reset or power cycle the tape drive.
Ready is OFF; others are
ON.
Firmware is being
reprogrammed
None.
Do not reset or power cycle the tape drive.