Tape Driver User's Guide
Troubleshooting
M8501 and M8502 ACL Tape Drive Installation and User’s Guide—529972-001
6-10
Fault Symptom Codes (FSCs)
Deactivation of a drive 
failed
700F C, G The Control task is indicating that a 
request to deactivate a drive failed; 
reason is not known.
Drive removal failed 7010 C, G The Drive task is indicating that a request 
to power-down a drive failed; reason is 
not known.
Drive is Active failed 7012  C, G The Drive task is indicating that a request 
to determine if a drive is executing a host 
command failed; reason is not known.
Control Com 
Unidentified
7013 C, G During HotSwap, a command response 
from the Control task could not be 
associated with any outstanding 
command.
Drive status updated 
failed
7014 C, G The Drive task is indicating that a request 
to determine the current state of a drive 
failed; reason is not known.
Loader command 
execution failed
7015 C, G The Loader task is indicating that a 
command has failed to complete 
successfully.
Sequential command 
execution failed
7016 C, G The Sequential task is indicating that a 
command has failed to complete 
successfully.
Destination Xchg for 
msg. was Null
7017 C, G Attempting to send a message to a task, 
but the argument exchange pointer was 
Null.
Bad src mod in peg 
msg
7018 C, G A message was received from a remote 
module, but the module number was out 
of range.
A Peg message has a 
pointer to Null.
7019 C, G Peg message wrapping a Null msg. ptr.
Xchg conversion 
failed
701A C, G Attempt to determine the module number 
containing the task that is returning a 
command response failed.
Invalid L-drive number 
to convert
701B C, G Attempt to send a command to a drive, 
but the logical drive number is out of 
range.
Invalid P-drive number 
to convert
701C C, G Attempt to send a command to a drive, 
but the physical drive number is out of 
range.
Invalid mod number to 
convert
701D C, G  Attempt to send a command to a drive in 
a remote module, but the module number 
is out of range.
Table 6-2. Fault Symptom Codes
Message FSC ERP










