Agilent Technologies 83482A User Manual page 72

Reference
Error Messages
An illegal hardware state is detected at the mainframe-to-plug-in module
interface of the specified slot.
If the slot is empty, there is a mainframe hardware problem. Refer to the
Agilent 83480A, 54750A Service Guide.
If a plug-in is installed in the slot, there is a plug-in module hardware problem.
Refer to the optional Agilent 83482A Optical/Electrical Plug-In Module
Service Guide.
ID error occured in plug-in_:Service is required
The information read from the memory of the plug-in module does not match
the hardware in the plug-in module. This can be caused by a communication
problem between the mainframe and the plug-in module. Make sure there is a
good connection between the mainframe and the plug-in.
1 Remove and re-install the plug-in module.
2 Verify the plug-in module is firmly seated in the mainframe slot.
3 Verify the knurled screws at the bottom of the plug-in module are finger tight.
4 The standard Agilent 54750A mainframe does not accept the Agilent 83482A
optical/electrical plug-in module. To use the module, a firmware upgrade must
first be installed. Order the Agilent 83480K communications firmware kit and
install according to the instructions.
5 The Agilent 83480A, 54750A mainframes do not accept plug-in modules
designed for use with the Agilent 54710A, 54720A.
Cal not possible
The power is too low to perform a user O/E calibration.
5-6