Avantree Relay - Flugzeug Bluetooth Adapter für 2 AirPods oder Kopfhörer | Qualcomm aptX Adaptive, 25 Std. Akku, Firmware-Updates, 3,5mm AUX Klinke Transmitter Sender für Flugreisen & Fitnessstudio — Error codes & fixes

Troubleshooting guide for the Avantree Relay - Flugzeug Bluetooth Adapter für 2 AirPods oder Kopfhörer | Qualcomm aptX Adaptive, 25 Std. Akku, Firmware-Updates, 3,5mm AUX Klinke Transmitter Sender für Flugreisen & Fitnessstudio. Diagnose an error code and find the fix.

Not charging

not-charging

The toothbrush does not charge, often from a dirty charging contact, a worn battery or a faulty base.

Source: Apple Support — iPhone troubleshooting Confidence: 80% Verified Aug 9, 2026
2 fixes available

App not syncing

app-not-syncing

The companion app does not sync with the device, often due to a network or app issue.

Source: Xiaomi support — smart home troubleshooting Confidence: 80% Verified Aug 9, 2026
2 fixes available

Overheating / shuts down

overheat

The projector overheats and shuts down, usually from a blocked air filter or a failing cooling fan.

Source: Apple Support — iPhone troubleshooting Confidence: 80% Verified Aug 9, 2026
2 fixes available

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