The Panasonic Lumix G100 is a compact mirrorless camera designed for vloggers, content creators, and casual photographers. While it’s reliable, you may occasionally run into issues such as focusing problems, overheating warnings, battery drain, or connectivity errors.
This troubleshooting guide covers the most common Lumix G100 problems and how to fix them quickly.
Before You Start Troubleshooting
Try these basic steps first:
- Restart the camera
- Fully charge or replace the battery
- Update the camera firmware (if available)
- Reset settings if the issue started after a configuration change
Camera Won’t Turn On
Possible Causes
- Drained battery
- Dirty battery contacts
- Faulty battery or charger
Solutions
- Charge the battery fully
- Remove and reinsert the battery
- Clean battery contacts gently with a dry cloth
- Try a different Panasonic‑approved battery
Autofocus Not Working or Hunting
Possible Causes
- Incorrect focus mode
- Low light or low‑contrast scene
- Dirty lens contacts
Solutions
- Set focus mode to AF‑S or AF‑C
- Enable Face/Eye Detection
- Increase lighting or move to a higher‑contrast area
- Clean lens and camera mount contacts
- Switch to Manual Focus to test lens functionality
Blurry Photos or Shaky Video
Possible Causes
- Slow shutter speed
- Camera movement
- Image stabilization turned off
Solutions
- Increase shutter speed (1/125s or faster for handheld shots)
- Enable Image Stabilization (lens‑based)
- Use a tripod or gimbal
- Avoid digital zoom
Overheating Warning Appears
Possible Causes
- Long 4K video recording sessions
- High ambient temperatures
- Poor airflow around the camera
Solutions
- Switch to 1080p recording
- Turn off the camera between takes
- Remove accessories blocking ventilation
- Let the camera cool before continuing
Video Recording Stops Automatically
Possible Causes
- Overheating
- Slow or incompatible SD card
- File size limits
Solutions
- Use a UHS‑I U3 / V30 SD card
- Format the SD card in‑camera
- Reduce video resolution or frame rate
- Allow the camera to cool
Poor Audio Quality or No Sound
Possible Causes
- Microphone settings misconfigured
- External mic not recognized
- Wind noise
Solutions
- Check Audio Levels in the menu
- Make sure the external mic is fully plugged in
- Enable Wind Noise Reduction
- Use a windshield or lav mic
- Test audio before recording
Wi‑Fi or Bluetooth Not Connecting
Possible Causes
- App compatibility issues
- Bluetooth disabled
- Interference from other devices
Solutions
- Install the latest Lumix Sync app
- Enable Bluetooth on your phone
- Restart both devices
- Remove old pairings and reconnect
- Keep devices close during pairing
Photos or Videos Not Saving
Possible Causes
- Full or corrupted SD card
- Locked SD card
- Unsupported card format
Solutions
- Check available storage
- Unlock the SD card
- Back up and format the card in‑camera
- Replace the SD card if errors persist
Battery Drains Too Fast
Possible Causes
- High screen brightness
- Wi‑Fi/Bluetooth left on
- Continuous video recording
Solutions
- Reduce LCD brightness
- Disable wireless features when not needed
- Carry spare batteries
- Use USB power while filming
Camera Freezes or Menu Not Responding
Possible Causes
- Software glitch
- Corrupted settings
Solutions
- Remove the battery for 30 seconds
- Perform a factory reset:
- Menu → Setup → Reset
- Update firmware if available
When to Contact Panasonic Support
If problems persist after troubleshooting:
- The camera won’t power on at all
- The sensor or LCD shows physical damage
- Error messages continue after resets
Contact Panasonic support or visit an authorized service center.
Final Tips for Smooth Performance
- Use high‑quality SD cards and batteries
- Keep firmware and apps updated
- Avoid prolonged 4K recording in hot environments
- Regularly clean lenses and contacts
Conclusion
Most Lumix G100 issues can be resolved with simple setting adjustments, proper accessories, or basic maintenance. By following this troubleshooting guide, you can quickly diagnose and fix common problems—keeping your camera ready for photos, videos, and vlogs.






