AEM Air/Fuel Gauge warning?

[Ram.Sh]

Hi all, i have an issue with the AEM Air/Fuel Gauge, which i don't understand, and would appreciate it if anyone could shed some light on this; I have the Prodigy Turbo kit and after some time, the air/fuel ratio gauge started to display the message in the image below for a whole week:

then, without any service or whatnot, it got back to work as usual, meaning showing the running numbers, but every now and then, the same message appeared and stayed there for the whole drive.

can anyone pls explain to me what this message means and what the logic behind the display of it?

Many thanks in advance!
Cheers,
RS

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[gates007 [scammer]]

following

 

[misplacetexan]

I have a Magnuson Super charger, AEM Fuel/Air gauge only shows the “Heat” message at startup. Sorry, can’t help more. Just wondering if you have been to AEM website?

 

[Wageslave]

My guess would be the heater circuit in the O2 sensor has failed, and the gauge can either directly detect the failure or it is just defaulting to this message because it is getting insufficient voltage from the sensor side of the sensor.

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