• WXR RANGE DISAGREE Message: Notes:
  • The Amber WXR RANGE DISAGREE message shows when a new range has been selected on the EFIS control panel and does not match the WXR R/T range. The Weather display goes out of view. The Mode, Tilt and Gain in the upper right corner of the Nav Data Display stays in view.
  
  
  WXR RANGE DISAGREE Message Possible Causes:

  Before replacing any component perform BITE if available.(Maint/CDS/DEU 1 or 2/ Current status) or (WXR R/T bite check in FWD E&E.)

  
  

  1.EFIS Control Panel

  
  

  2.Weather Radar Transceiver

  
  

  3.DEU

  
  

  4.Wiring

  
  
  WXR RANGE DISAGREE Message:

  

  
  

  

  
  

  

  
  Circuit Breakers:

  Weather Radar R/T: P6-1 = D13.

  
  

  EFIS Control Panel CAPT's: P18-2 = D1.

  EFIS Control Panel F/O's: P6-1 = E13.

  
  

  DEU#1 HOLD UP: P6-1 = D10.

  DEU#1 PRIMARY: P18-2 = D5.

  DEU#2 HOLD UP: P6-1 = D9.

  DEU#2 PRIMARY: P6-1 = D11.

  
  
  Applicable deferrals MEL 34-15 Weather Radar
  

Training Only