The product does not operate or play back, The product does not operate or play back” (p.44) – Yamaha TW-E3C True Wireless Earbuds (Red) User Manual
Page 44
The product does not operate or play back
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The earbuds are still charging.
You cannot use this product while they are charging. Use the earbuds after charging is finished.
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There is not enough battery power.
Charge the earbuds.
(
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“Charging the charging case” (p.14)
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The product is temporarily not functioning in a stable way.
After putting the earbuds back into the charging case, wait for at least 10 seconds and then take them
out again.
If this does not solve the problem, initialize (factory reset) the earbuds.
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“Initializing (performing a factory reset)” (p.50)
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Your fingertip may not be touching the Touch Control.
Tap the center part of the earbuds with your fingertips.
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“Touch Control operations” (p.11)
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Troubleshooting > The product does not operate or play back