StorageTek 9840 - Manual (Page 200)

Dislodge a Stuck Tape
7-4 Sixth Edition 95741
CHK xxxx An operational failure
occurred.
(xxxx = actual
FSC that caused the failure.)
Some failures will initiate a
diagnostic dump and IPL.
If required, wait for the IPL to complete,
then retry the operation.
If the retry fails, replace drive or CSL.
*Cleaning* The cleaning tape was
inserted and the drive or CSL
is now in process of cleaning. No action necessary.
CodCrFail1 Unable to write to tape.
Unable to position on tape.
Make sure the tape is write-enabled.
Try another tape.
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx .
CodCrFail2 Unreadable tape format. Reclaim as a data tape.
Retry the operation.
Try another tape.
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx .
CodCrFail 3 Drive only has single code
image in the EEPROM. Make sure that the drive has all code
images loaded in the EEPROM.
Note: In code level 1.30.109 and up, error message is replaced by CHK A738 .
CodeUpDate The firmware in the drive or
CSL is being updated from the
host; the operator panel
switches are locked. No action necessary.
CodUpFail1 Unable to read the tape.
Unable to position on tape.
Unable to read image on
tape.
Try another tape.
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx .
CodUpFail2 The EEPROM is bad. Before initiating IPL, try another tape.
Initiate an IPL.
If the problem persists, replace the drive or
CSL.
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx .
Table 7-2. Error Displays and Instructions (Continued)