Sony Alpha 6400 APS-C Spiegellose Kamera — Error codes & fixes
Troubleshooting guide for the Sony Alpha 6400 APS-C Spiegellose Kamera. Diagnose an error code and find the fix.
Shutter error
shutter-errorThe camera reports a shutter error and cannot take photos.
Source: Sony support — camera error codes
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: Sony support — camera error codes
Confidence: 80%
Verified Aug 9, 2026
Autofocus not working
focus-issueThe camera autofocus does not work, often due to a dirty lens or a focus motor issue.
Source: Sony support — camera error codes
Confidence: 80%
Verified Aug 9, 2026
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