How long can you leave a sony handycam in standby before recording

SOURCE: sony 700x digital handycam

error 31 is some kind of a problem with the cassette compartment, it's either won't eject it right now, or it's stuck otherwise. try to eject, if doesn't work, try "reset" button, if still no luck, replace the cassette compartment

SOURCE: sony handycam "carl zeiss lens 40xoptical zoom

A common problem in the Sony camcorders is a stuck iris assy, the part of the lens assembly that regulates the light coming into the camera. It sounds like that is the problem with your camcorder. It can be verified by zooming your lens out and it and shining a light into the lens to see it you can actually see the CCD at the back of the lens. It helps if you know what you're looking for, but if all you see is black, then the iris is stuck closed and you will need a qualified tech to look at the unit. Please, if this information has answered your question, I would appreciate a good rating. Thanks!

SOURCE: i have a sony handycam dcr-dvd 340 which is displaying recording

Format mini DVD disk with camera Menu format option.
This will solve your problem.

SOURCE: My Sony Handycam DCR-HC26 started giving me

the error c:31:23 error pertains to one of the reel (part that turns the tape) is malfunctioning. although you can play back videos, you would definitely have issue w/ recording, rewinding or fast forwarding the tape.what you can do is to turn the camcorder off.remove the battery and ac adapter for at least a minute.insert the battery or reconnect the adapter.you can also try pressing the reset button (located near the top of the speaker, on the panel where lcd screen goes to).make sure cam is on when you do that.if still your getting this problem, service would be needed for your cam.hope this helps :)

SOURCE: HDD FORMAT ERROR FOR SONY HANDYCAM DCR-SR47, when

follow this instructions
1-home menu
2-manager media
3-media format
4-hdd and putYES
CONGRATULATION!!!!