HP StorageWorks MSL4048 1 Ultrium 960 Drive Library error message

[Dhon_1]

Hi,

We have are having an error message in our MSL4048 which i don't know how to resolve it. Please can anybody assist me on this? See attached file and error message below:

08.09.17 14:01:43.59 LIB/ERR <80 8B 00 00 > HE: elevator blocked
08.09.17 13:58:14.96 LIB/ERR <80 8D 71 32 > HE: sled blocked
08.09.17 13:57:11.89 LIB/ERR <80 8B 00 15 02 02 04 04 01 > HE: elevator blocked
08.09.17 13:54:57.17 LIB/ERR <80 8B 00 15 02 02 04 04 02 > HE: elevator blocked
08.09.17 13:52:42.66 LIB/ERR <80 8B 00 15 02 02 04 04 01 > HE: elevator blocked

[Dhon_1]

Can anyone assist me about this error message. Thanks in advance.