Overheating Warning
Sony Camera
Severity: ModerateWhat Does This Error Mean?
The overheating warning means the camera's internal temperature is too high, usually from extended video recording. The camera will shut down to protect itself if it gets too hot. Stop recording, turn off the camera, and let it cool in shade.
Affected Models
- Sony A7 IV
- Sony A7S III
- Sony A7C
- Sony ZV-E10
- Sony ZV-1
- Sony FX3
- Most Sony mirrorless cameras
Common Causes
- Extended 4K or 8K video recording
- Direct sunlight heating the camera body
- High ambient temperature
- Using the LCD screen as a viewfinder (generates heat)
- Recording with IBIS (stabilisation generates heat)
How to Fix It
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Stop recording and turn off the camera immediately.
Continuing to record after the warning risks permanent damage. The camera will auto-shutdown if you ignore it.
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Move the camera to shade and remove the battery.
Removing the battery speeds up cooling. Leave the battery door open for airflow.
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Use an external recorder (Atomos, etc.) for long recording sessions.
External recorders offload the processing, reducing internal heat. The camera sends a clean HDMI signal and runs cooler.
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Disable unnecessary features to reduce heat generation.
Turn off IBIS if using a gimbal. Lower the screen brightness. Use the viewfinder instead of the rear LCD.
Frequently Asked Questions
How long can I record 4K before overheating?
It varies by model and conditions. The A7S III can do 60+ minutes in 4K. The ZV-1 may overheat in 15-20 minutes in warm conditions. Cooler ambient temperature extends recording time.
Do cooling accessories help?
Yes. Aftermarket cooling fans and heat sinks can significantly extend recording time. Some attach to the camera's hot shoe or LCD.