Power Meter : Appendix A — Error Messages
  
Error Messages
Introduction
This chapter provides a list of information and error messages that could be displayed on your instrument. If any error condition persists, contact your local Anritsu Service Center (http://www.anritsu.com/Contact.asp).
High Accuracy Power Meter Messages
Warning! Power Supply Error.
Verify that the supply is connected properly.
Warning! RF Power Level is too high.
The specified upper measurement range is +20 dBm. Do not exceed this.
Warning! Sensor not zeroed properly.
The sensor should be zeroed with nothing connected to it.
Warning! Specified temperature range (0 to 50C) exceeded.
The sensor is only specified from 0 to 50C.
Warning! Temperature has changed. Zero sensor again.
Temperature changed more than allowable limit after zeroing sensor.