User Manual

Chapter 11
Routine Maintenance
This chapter describes general maintenance items and maintenance methods of the 5335B power meter.
11.1 Self-inspection
The 5335B power meter has a self-inspection function. See “Power-on Self-Test” of Chapter 3 “Inspecting the
Instrument” of 5335B Installation Instructions for detailed steps of self-inspection.
11.2 Error Information References
The 5335B power meter has a detailed error and prompt information function, so as to help the user to easily
carry out positioning and measurement during measurement and use. This section describes all error information
of the 5335B power meter as well as error causes and disposals. All prompt information is listed.
11.2.1 Prompt Message List
11.2.2 Error information list
Error information Error information explanation
usb is not detected
Error description No USB peripheral is found.
Possible cause No USB peripheral is inserted.
Disposal Insert the U disc type USB peripheral and then copy the screen.
Save screen fail
Error description The screen is not saved successfully.
Possible cause USB is disconnected.
Disposal Reinsert the USB peripheral.
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