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Sennheiser RR4200 Headset - Worn-Out Battery?

Camilla -  
baladur13 Posted messages 47561 Registration date   Status Modérateur Last intervention   -

My Sennheiser TR4200 headset is no longer working; it keeps beeping non-stop, I think the battery needs to be replaced... Can someone explain to me how to proceed? I no longer have my manual. Thank you in advance.

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baladur13 Posted messages 47561 Registration date   Status Modérateur Last intervention   14 377
 

Hello,

"My Sennheiser RR4200 headset is beeping continuously."
What kind of beeps? Are you sure the transmitter is powered (green light on)

How is the charging control LED on the headset?

The manual: https://assets.sennheiser.com/global-downloads/file/6435/RS4200II_Manual_08_2016_FR.pdf

For replacing the BA300 batteries, excerpt from page 10 (14 of the above pdf)

Very difficult to catch a black cat in a dark room.
Especially when it's not there...
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