Non response of radar level transmitter to level changes

Two Radar level transmitters mounted on the same horizontal vessel.

One of transmitters level reading measured in meter changes with the level in the vessel but the level measurement of the other transmitter does not response to the changes in level.

These transmitters are properly configured. Please what could be the cause of such problem


Clean the radar antenna and check.

Also check any formation of bubbles or foam in the vessel. (this will cause issues sometimes because of process).

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If dont have antenna (cable, bar, wire), clean the horn sometimes have spiderweb or make a ECHO MAPPING.

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If it is a GWR check the line up. Usually nothing should effect them other than an actual failure. Check the simple things like power and that you actually have a good loop back to the house. Without knowing the application and fail state of your system it is hard to say. More info would be great.