Posts filed under 'battery for CS55'

Help! My CS50, CS55 or CS70 wireless headset stopped working! What should I do?


Your headset was working just fine. You show up for work today and it’s dead or giving nothing but super loud static. Why? How did this happen? How do I fix it? Fortunately, the fix is easy. Follow these step by step instructions to re-synch (or as Plantronics calls it, “Re-Subscribe”) your headset and base back to one another.

Step 1: System Reset
A.) Press both the talk button and the mute control button on the headset simultaneously for 10 seconds. When the talk indicator light on the headset blinks, release both buttons.

B.) Press the talk button again and then release.

C.) Disconnect the AC power adapter from the AC power outlet and leave it unplugged for 10 seconds, then reconnect.

The system reset operation is now complete. If your problem has now been resolved, there’s no need to go on to Step 2 below. If the problem still exists, please continue to the Subscription Reset operation below.

Step 2: Subscription Reset
A.) Place the headset into the base charging cradle and be sure that it is pressed down and seated all the way in the charger.

B.) Press and hold both of the talk volume fine tune buttons on the back of the base (the buttons marked “+” and “-“) simultaneously for a minimum of 10 seconds. The power indicator light on the base will flash red and you can release the buttons.

C.) Next, push and hold the mute control button on the headset for a minimum of 5 seconds. The talk indicator on the headset will light up green. (Note: The black volume rocker switch on the earpiece is the mute control when it is pushed in.)

Successful re-subscription is indicated when the power indicator on the base is fully illuminated and the talk indicator light on the headset is off.

D.) To complete the process, disconnect the AC power adapter from the AC power outlet and leave it unplugged for 10 seconds, then reconnect.

If this doesn’t solve the problem, please double-check your settings:

  • The back of the charging base tower should be set to 2;
  • The bottom (underneath) of the charging base tower should be set to B;
  • The left side of the charging base tower with the round dial should be set to 1 (lined up with the raised plastic ridge to the right of the dial).

If it now works but you sound like you’re in an echo chamber, all you need to do is press the down arrow button on the back side of the base charging tower a few times to reduce your outbound volume and this should solve the echo problem.

If you still have no luck and your headset is over 2 years old, you may be due for a new Plantronics battery which you can buy here.

10 comments April 17th, 2009


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