Apple Watch Series 11 GPS 42 mm Smartwatch — Error codes & fixes
Troubleshooting guide for the Apple Watch Series 11 GPS 42 mm Smartwatch. Diagnose an error code and find the fix.
Not charging
not-chargingThe 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
Overheating / shuts down
overheatThe 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
App not syncing
app-not-syncingThe companion app does not sync with the device, often due to a network or app issue.
Source: Apple Support — iPhone troubleshooting
Confidence: 80%
Verified Aug 9, 2026
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