HP 20-Feb manual 4AH, 4BH, 4CH, 4DH, 4EH

Table 46		Error Codes and Recovery Procedures
Decimal	Hex	Description	Recovery Method
Error	Error
72	48H	Unable to put tape	Note the error code qualifier to help determine
		back into slot after	appropriate testing.
		power cycle.
74	4AH	Drive module	■ Ensure that all drive modules are fully inserted
		disconnected or has	into the drive bays at the rear of the library.
		failed.	■ Note the LEDs on the drive modules. See
			Interpreting Library LEDs on page 130 to
			understand what the LEDs may indicate.
			■ If the LED indicates failure, replace the drive
			module.
75	4BH	Drive(s) fan	Note the error code qualifier to help determine
		disconnected or	appropriate testing.
		faulty.
76	4CH	Failed to perform an	Note the error code qualifier to help determine
		inventory check.	appropriate testing.
77	4DH	Transport moved	Run the Test Vertical Motion test (see Running
		above highest	Library Diagnostic Tests on page 156).
		detected level.
78	4EH	Not all drives in the	Check to ensure that you have the correct type of
		library are the same	drive.	Appendix
		type.
80	50H	Drive reports	■ Power cycle the library and re-try.
		hardware error.	■ Replace the drive module if unsuccessful. See	C
			Removing and Replacing Drive Modules on
			page 162.
81	51H	Library failed during	Power cycle the library.
		initialization.

Appendix Library Error Codes 215