Sony DSC-RX100M4 Instruction Manual page 296

Sound may be produced when the product is shaken while the power is turned off, but
this is not a malfunction.
[330] Troubleshooting
"--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.
[331] Troubleshooting
Self-diagnosis display
If a code starting with a letter of the alphabet appears, the self-diagnosis function on this
product is working. The last two digits (indicated by □□) will differ depending on the state of
this product.
If you cannot solve the problem even after trying the following corrective actions a few times,
this product may need repair. Contact your Sony dealer or local authorized Sony service
facility.
C:32:□□
There is trouble with the product's hardware. Turn the power off and on again.
C:13:□□
This product cannot read or write data on the memory card. Try turning off and on this
product again, or taking out and inserting the memory card several times.
An unformatted memory card is inserted. Format the memory card.
The inserted memory card cannot be used with this product, or the data is damaged.
Insert a new memory card.
E:61:□□
E:62:□□
E:91:□□
Troubleshooting
Messages Messages
Others