Error Codes Starting with H | ErrorDB
17 error codes — Browse error codes starting with H. Community-verified fixes for each error.
HEADPHONES_ANC_WEAK
ANC seems weak. Update firmware, check ear seal.
HEADPHONES_BT_PAIRING_FAILED
Bluetooth won't pair. Put in pairing mode, clear BT cache.
HEADPHONES_NOT_CHARGING
Not charging. Clean contacts with alcohol.
HEADPHONES_NO_AUDIO_LEFT
No audio left earbud. Clean contacts, reset, re-pair.
HTTP_400
HTTP 400 Bad Request: The server cannot process the request due to client error.
HTTP_401
HTTP 401 Unauthorized: Authentication required.
HTTP_403
HTTP 403 Forbidden: Access denied to the requested resource.
HTTP_404
HTTP 404 Not Found: The requested resource was not found.
HTTP_405
HTTP 405 Method Not Allowed: HTTP method not supported for the resource.
HTTP_408
HTTP 408 Request Timeout: Server timed out waiting for the request.
HTTP_409
HTTP 409 Conflict: Request conflicts with current server state.
HTTP_410
HTTP 410 Gone: Resource permanently removed.
HTTP_429
HTTP 429 Too Many Requests: Rate limit exceeded.
HTTP_500
HTTP 500 Internal Server Error: Generic server error.
HTTP_502
HTTP 502 Bad Gateway: Invalid response from upstream server.
HTTP_503
HTTP 503 Service Unavailable: Server temporarily unable to handle request.
HTTP_504
HTTP 504 Gateway Timeout: Upstream server timed out.