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error Edifier
Error Code Red LED on
Indicates a pairing attempt or connection issue.
? What Causes This
Pairing problem with device.
✓ How to Fix It
Check Bluetooth settings, ensure compatibility and retry pairing procedure.
Source: page 2 of the official manual
From the manual
This error code appears in:
Edifier WH950NB Bk Wireless Noise Cancellation Over Ear Headphones