Popping noise in headset shuts off noise canceling

[RDuplechin]

Using 2 year old light speed noise canceling headsets.  On my last 2 flights after an hour of flight I will get a loud electrical pop in the headset and the noise reduction will shut off.  It can me turned back on.  On yesterday’s flight the interval between pops got more frequent to the point that I just left it off entirely on final.   It has done this on the ground once and the rest of the time in the air.  Two different headsets have done this.  The batteries in the headsets were not brand new but had plenty of juice left.  Anyway, I wouldn’t think they would sell a product that fails with a loud pop when the battery goes low.  My audio panel is a PS 6000 that I was going to replace with a PS 7000 anyway.  So this was swapped out between flights.  The popping occurs with both audio panels.  I had an avionics guy sit in the plane with me last night with the engine running and all normal electrical items on.  Of course we could not duplicate the issue and his oscilloscope show nothing abnormal.  Anyone experience anything like this?

[Greg Ellis]

Lightspeed is usually very good with customer service.  I would go to their website and put in a work order to send them back for repair.  As long as the headset is a model that is still supported they can probably get them fixed at little to no charge.  They have a pretty good warranty.

When the batteries get low you should hear a repeating beeping sound to tell you that they are low.  You usually get about an hour or so warning before the batteries are completely dead.  The headset has an auto shut off feature.  It sounds like it is kicking in when it should not be.  

 

[Yetti]

Sometimes adjusting the earpieces on the head will fix the popping

[RDuplechin]

Thanks.  I called Lightspeed and found out I’m still under warranty.  Shipped them off Saturday.  They couldn’t have been nicer.    Hopefully, that fixes the issue.