All of a sudden my Passport will not alert in LOUD mode. I've swiched the menu, and even set it back to factory settings then swiched to LOUD, and nothing. With the volume all the way up, it is still very quiet.
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"Goes off" as in shuts offorprovides an audible / visual radar alert?
Are you connected to the cigar lighter / battery; or a wire you believe to be 13.8VDC? Check the voltage of the wire you are using to power the 8500 with a VOLTMETER. You may be connecting the data bus wire in the vehicle instead of a 13.8VDC source. Move the wire to a 13.8VDC source.
First you should try it in another car if possible. It sounds like an electrical problem. You need to rule out if its the car or the radar detector.
Open the end of the power cord it unscrews, check the fuse in it to see if its blown.
Ive also seen the screws loose that hold the circuit board down cause problems. If its out of warranty now, there should be a screw on the bottom usually under a sticker. If you peel that back and remove the screw, and lift the bottom off..Tighten any screw you see holding tbe board down, dont tighten it to hard. Then replace the cover.
Post back after you try some of those, let me know if it still does it.
Got to the bottom of my false alarming situation. I finally called Escort and discussed the behavior with the technician who immediately concluded the antenna was failling and needed a repair. $30 worth of shipping and about a week later I got my repaired unit back and it works perfectly. Not sure the root cause but I am going to treat it as gently as possible and hope it keeps working, I sure like it better than the V1.
Only Bel/Escort has the expertise and instrumentation to recalibrate your radar detector. They automatically do other things whenever you send in a RD for service. For example, aside from diagnosing and repairing any issues (I think that your RD's antenna needs to be replaced or repaired), they also recalibrate it, fully test it, and update its internal computer firmware to whatever the most recent firmware is. In short, when your RD comes back, it performs just like a brand new RD.
About the only thing to try with the Escort 8500 and the x50 is to do a full reset. Hold all 3 buttons down while turning the detector on.
I believe Escort will still work on it, there will just be a service charge with no warranty.