HP 8920B Programmer's Manual page 663

Error −251
Error −252
Error −253
Error −254
Error −255
Error −256
Error −257
Error −258
Missing mass storage
Indicates that a legal program command or query could not be executed because of
missing mass storage. For example, an option that was not installed.
Missing media
Indicates that a legal program command or query could not be executed because of a
missing media. For example, no disk.
Corrupt media
Indicates that a legal program command or query could not be executed because of corrupt
media. For example, bad disk or wrong format.
Media full
Indicates that a legal program command or query could not be executed because the media
was full. For example, there is no room on the disk.
Directory full
Indicates that a legal program command or query could not be executed because the media
directory was full.
File name not found
Indicates that a legal program command or query could not be executed because the file
name on the device media was not found. For example, an attempt was made to read or
copy a nonexistent file.
File name error
Indicates that a legal program command or query could not be executed because the file
name on the device media was in error. For example, an attempt was made to copy to a
duplicate file name.
Media protected
Indicates that a legal program command or query could not be executed because the media
was protected. For example, the write-protect switch on a memory card was set.
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