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Device is not Charging
You are unable to recharge your headphones
Faulty Charging Cable
If you are unable to see the orange charging indicator when using the provided wire, try using a different wire with the same head. If the charging indicator (next to the power button) lights up green, then the issue is the cable.
Faulty Charging Port
If multiple charging wires do not work, giving no indication of charging, then the charging port may not be receiving power or be sending power to the battery. Check the port with a voltmeter to see if any resistance is registered. If there isn’t any, the port is faulty. See the following guide for replacement information. - https://cdn.shopify.com/s/files/1/0404/1...
Using a voltmeter, check both sides of the cable for the current. If there is a current available, and you’ve already replaced or validated the Charging Port, then this indicates an issue with the battery. See the following guide to replace the battery. - https://cdn.shopify.com/s/files/1/0404/1...
Device is not wirelessly connecting
Your Master Dynamic MW50 will not connect to your Phone or Computer
Unpair the headphones and your phone then try repairing. If the headphones connect then the original pairing connection developed a fault.
Faulty Wireless Signal
Turn off the BluetoothⓇ feature on any other device that is paired with the headphones or try pairing the headphones with another device.
Device needs a factory Reset
Hold down the vol+ and vol- buttons down for 4 seconds until you see a red and white light flash 4 times. Then repair and try again.
One or both of the speakers are not not working
Your headphone speakers are not producing sound
Headphones are not in range of Device
Move the headphones closer to the desired device, if the headphones start working then the headphones were out of the wireless range.
Use a Voltmeter to check the current in the wire from the power source to the Speaker, if there is no current, replace the wire. If the wire has current the the physical speaker is broken and needs replacement.
Control buttons are not functioning
Using the buttons on the side of the Headphones has no effect
Button is not sending a signal to the control board
Use a voltmeter and check for current between the button and the control board. If there is no current then check the following guide to repair the wire. - https://cdn.shopify.com/s/files/1/0404/1...
The Device is not turning on
The device will not power up
Battery has no power stored
Turn your headphones off and plug them in to charge for 24 hours. If the headphones still wont power on, check the following guide to change the battery. - https://cdn.shopify.com/s/files/1/0404/1...