Sony DSC-RX100M3 - Manual (Page 210)

Set the date and time again.
The internal rechargeable backup battery has discharged. Insert a charged battery, and
set aside for 24 hours or more with the power left off.
[292] Troubleshooting Troubleshooting Others
The number of recordable images does not decrease, or
decreases two images at a time.
This is because the compression rate and the image size after compression change
depending on the image when you shoot a JPEG image.
[293] Troubleshooting Troubleshooting Others
The product does not work properly.
Turn off the product. Remove the battery pack and insert it again. If the product is hot,
remove the battery pack, and allow it to cool down before trying this corrective procedure.
If an AC-UD10/AC-UD11 AC Adaptor (sold separately) is used, disconnect the power
cord. Connect the power cord and turn on the product again. If the product repeats the
same error often or still does not work after trying these solutions, consult your Sony
dealer or local authorized Sony service facility.
[294] Troubleshooting Troubleshooting Others
“--E-” appears on the screen.
Remove the memory card, and insert it again. If the problem persists even after
performing this procedure, format the memory card.
[295] Troubleshooting Messages Messages
Self-diagnosis display