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Dislodge a Stuck Tape
Table 7-2. Error Displays and Instructions (Continued)
An operational failure
CHK xxxx
occurred. (xxxx = actual
FSC that caused the failure.)
Some failures will initiate a
diagnostic dump and IPL.
The cleaning tape was
*Cleaning*
inserted and the drive or CSL
is now in process of cleaning.
Unable to write to tape.
CodCrFail1
Unable to position on tape.
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx.
Unreadable tape format.
CodCrFail2
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx.
Drive only has single code
CodCrFail3
image in the EEPROM.
Note: In code level 1.30.109 and up, error message is replaced by CHK A738.
The firmware in the drive or
CodeUpDate
CSL is being updated from the
host; the operator panel
switches are locked.
Unable to read the tape.
CodUpFail1
Unable to position on tape.
Unable to read image on
tape.
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx.
The EEPROM is bad.
CodUpFail2
Note: In code level 1.30.109 and up, error message is replaced by CHK xxxx.
7-4
If required, wait for the IPL to complete,
then retry the operation.
If the retry fails, replace drive or CSL.
No action necessary.
Make sure the tape is write-enabled.
Try another tape.
Reclaim as a data tape.
Retry the operation.
Try another tape.
Make sure that the drive has all code
images loaded in the EEPROM.
No action necessary.
Try another tape.
Before initiating IPL, try another tape.
Initiate an IPL.
If the problem persists, replace the drive or
CSL.
Sixth Edition
95741
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