Question about Sennheiser MM 550 Wireless Headphones

3 Answers

Flashing blue light

I am using this headphone since a while. But I have a problem. Around the center button, a blue light always keeps flashing.. Once I switch on the headphones, it keeps flashing forever, does not matter if I am on a call or listening to music or not doing anything. Initially it was not like that, one day I pressed some buttons on it, I dont remember in which order I pressed, but since then this blue flashing light has started, never ends unless I switch off the headphone. I am not able to switch it off. 2 of my friends have the same headphones, but they do not have this issue. The headphone is working fine otherwise, but after paying that money, I am sad that it has this problem. It id disturbing for the co passenger when I am traveling in the night in flight or train

Posted by pram29 on

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3 Answers

dave reyns

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1. turn it off2. hold centre button until blinking blue and red3. briefly press volume down4. turn it off= fixed :)
From Sennheiser UK:http://www.sennheiser.co.uk/uk/home_en.nsf/root/contact_menu_technical-question_telephone_headsets_faqs_mm400_series_bluelight

Posted on Mar 20, 2013

  • Kristian
    Kristian Jan 10, 2014

    Thank you, your steps worked for me. I have been 'dealing' with it for years.

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Posted on Jan 11, 2017

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gasouthwood

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I have been having the same problem and was completely unable to stop it. While searching for a solution today I tried everything but eventually connected to my iPhone via Bluetooth, which stopped the flashing, and then clicked <Forget this device> on the iPhone and the flashing did not return. In the past 20 minutes I have connected to my Mac, my iPhone, wired and via Bluetooth and the problem seems to have disappeared (I hope).

Posted on Aug 25, 2012

5 Related Answers

Grubhead

Grubhead

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SOURCE: The right headphone is not playing music

Most faults in headphones are caused by either a broken cable or a faulty plug. Try moving the cable or plug around in various places to see if it come back on, look for wear or a break too! If you find it you will have to replace the plug or cable. The only other cause is a faulty speaker, but they are not common.

Posted on Nov 10, 2009

Anonymous

  • 2 Answers

SOURCE: Sennheiser RS 130 Wireless Surround Sound Headphones

Did you try to remove the batteries and at the same time unplug the power of the base for 30 sec ?

Posted on Jan 21, 2008

Anonymous

  • 3 Answers

SOURCE: unable to listen to my wireless

They need a minimum level of signal to switch on the transmitter.
Verify if it works on yet another system.
Make sure you have the right output on your Samsung.
Try to increase the output level of your Samsung...(up the volume, but it may be a fixed output..)

Posted on Mar 08, 2008

Grubhead

Grubhead

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SOURCE: sound in one headphone keeps going off

You have a break in the cable. You don't say in what area it's in, so I will have to give you 3 ways of clearing the fault.
1: Break in, near or around the plug. The best solution is to cut off the plug making certain the break area goes with it. You can then fit a new 3.5mm plug. If you need advice on how to do this let me know.
2. Break halfway to 2-thirds along the cable. Again cut the cable to a point clear of the break, again fit a new plug. To extend it you can purchase an extension headphone cable from any hi-fi shop.
3. Break to close to headset. In which case you will need to replace the entire lead. To do this you need to open up the headphones. Access is obtained by removing the pad(s) and any foam. You might need to force the foam off. You can glue it back on afterwards. You should then see screws to open it.
Fitting new plugs or attaching the wire inside will require the use of a small soldering iron.

Posted on Apr 02, 2010

Anonymous

  • 1 Answer

SOURCE: The headphone does not turn on anymore

I have got exactly the same problem with mine. Mine are RS140.
So if there is anybody that can help with this I would be very happy to find out what the problem is (as only used them twice)

Posted on May 05, 2010

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What if my uproar wireless headphones are flashing red and blue ?


The headphones flash blue when u switch it on.If it flashes blue and red, it means that it is in bluetooth connection mode.So u can connect it with bluetooth devices by switching on bluetooth on your phone or pc.After connecting the red light stops flashing automatically and blue light starts blinking.Hope you understood. :)

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hi June,
I assume you are using a Plantronics wireless headphone? ensure your phone is on and Bluetooth is switched on in your phone settings.
hold the button on the headphone until the light starts flashing, if this does not happen ensure the headphone is charged. in Bluetooth options on your phone ensure your phone is set to "can be seen by other devices" and then use "scan devices" to find your headphone, if you see Plantronics in the list select it and press "pairing" this will then connect the headset to the phone. once paired, everytime your headset is on and Bluetooth is on, you need to just press the button on the headset and it will automatically connect to your phone.(as long as the headset name is not deleted from the Bluetooth list)

If your phone does not show in the headset in the Bluetooth list, keep the phone scanning and press the button on the headset to start the light flashing this is now causing the headset to search for the phone. once the headset shows in the phone list do as above.

I hope this was useful.

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Why does my kinivo bth220 headphones have a flashing red light on them no matter how long i charge them and they will not turn on


The batteries won't charge. You might want to google around for replacement batteries.

First I'd try a factory reset. PRess the +, - and multifunction button for 6 seconds until the blue light flashes and it shuts off. When you turn them on next, it's in pairing mode and try again.

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Sometimes if charged too long or your not around when the light does go off, after awhile the battery looses its charge. when that happens the charger will start to charge again and it will seem that it isn't working right or charging. in your instruction booklet it should tell you how long it should take to charge. some say 45 min some say hours. set a timer once you find the time recommended for your device, once it goes off unplug if light is off. good luck

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I have Logitech wireless headphones for my Ipod, and I can't get them to work. When I press the on button on both pieces, it goes solid red and not blue.


Visit the Logitech support website and find the instructions to reset and pair them. Since yours is for an Ipod I'm assuming you have the older white/grey model and not the freepulse headphones. The procedure is not the same. From memory the procedure it to reset both (look for the small hole to insert a paperclip). Once both are reset begin with the transmitter. Hold the power button down for about 30 seconds until the light flashes red and blue. When it does do the same for the button of the headphone until it flashes red and blue. When both are flashing red and blue they should pair together and the lights should turn solid blue..

Oct 15, 2008 | Logitech FreePulse Wireless Consumer...

1 Answer

Free Pulse


The following procedure will re-establish the communication link between the Headphones and the Wireless adapter, this is called "pairing". Before you start please make sure both the headphones and the wireless adapter are fully charged and turned off.
Note: The headphones and the wireless adapter come pre-paired from the factory.
1. Press and hold the power button on the headphones. See Figure 1.
headphone.jpg
Figure 1

2. Continue to hold the button down until the LED starts flashing red/blue in an alternating pattern. Release the button when the LED starts flashing red/blue. See Figure 2.
headphone-flash.gif
Figure 2
3. Once the headphones LED is flashing red/blue, press and hold the power button on the wireless adapter. See Figure 3.
receiver.jpg
Figure 3
4. Hold down the button until the LED starts flashing red/blue in an alternating patter. The LED will blink blue, then turn off for a few seconds then blink red/blue. Release the button when the LED starts flashing red/blue. See Figure 4.
receiver-flash.gif
Figure 4
5. Once both the headphones LED and the adapter LED is blinking red/blue, press the volume up button once on the headphones. See Figure 5.
headphone-volumeup.jpg
Figure 5
Once the headphones is paired with the adapter, the LED on the headphones will blink blue once every two seconds. See Figure 6.
headphone-flash2.gif
Figure 6
When the adapter is paired the LED will be solid blue. See Figure 7.
receiversolid.jpg
Figure 7
The adapter may continue to blink red/blue for a few seconds even after the headphones LED starting blinking blue. This is normal; the adapter may take a few additional seconds before the LED turn solid blue.
Once the headphones and the adapter are paired, it is not necessary to pair them again even if the batteries on both units are completely drained.
Additional Note: Repeated pairing will not improve the sound quality or give the headphones and the adapter a cleaner connection.

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1 Answer

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i researched the logitech website and found the solution.
you must turn both parts on, but instead of letting go after 3 seconds, you keep holding until the lights start flashing red and blue on both pieces. Once BOTH pieces flash ONLY BLUE they have re-paired themselves, and they should work fine now.
http://logitech-en-amr.custhelp.com/cgi-bin/logitech_en_amr.cfg/php/enduser/fattach_get.php?p_sid=kPXUPeRi&p_li=&p_accessibility=0&p_redirect=&p_tbl=9&p_id=2883&p_created=1125080596&p_olh=0

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1 Answer

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i researched the logitech website and found the solution.
you must turn both parts on, but instead of letting go after 3 seconds, you keep holding until the lights start flashing red and blue on both pieces. Once BOTH pieces flash ONLY BLUE they have re-paired themselves, and they should work fine now.
http://logitech-en-amr.custhelp.com/cgi-bin/logitech_en_amr.cfg/php/enduser/fattach_get.php?p_sid=kPXUPeRi&p_li=&p_accessibility=0&p_redirect=&p_tbl=9&p_id=2883&p_created=1125080596&p_olh=0

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Thank you SO much , i know this is old, but i recently had mine repaired and i thought i'd have to do it again but you saved me a weeks worth of stress, and renewed my faith in logitech, as if i EVER doubted them <3333

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