Flashing f-01 - Washing Machines

E:91:01 is an error code that indicates that flash circuit board is not working and need to be replaced to solve the problem.
Let me know if you need part number of flash circuit board.

Try to turn of the Flash and switch it to normal flash.

error code is displayed that is failure of flash capacitor charging so replace it

C & W 5C 01] 07/10/09
00 = BC B6 BB DD 97 AD 11 63
01 = D2 D1 80 FA 21 85 0F 53

Telewest 5A01 07/10/09
00 = 83 5D12 B8 96 F6 1F C4
01 = 6D EA BE 97 6A AA DA 71

NTL 54 01] 07/10/09
00 = F0 0E 91 E0 2D C1 C5 FD
01 = F0 CF C3 01 F1 2D AB B8

E:91:01 is a flash unit error, probably meaning your flash is inoperative .
Try settings, main menu, setup, initialise.
If this does not work, then new flash module required.

Hi,  Its an error of flash unit(E:91:01 denots flash unit problem) which get started malfunctioning. Therefore you have to replace the FLASH UNIT ASSY.
  For changing of flash unit assy. You can contact any sony service centre nearby to you. For your convenience please visit:
www.sony.net
or
www.sonyworld.com
Here you can find contact info of nearest service centres.
Thanks for using FIXYA. 

My Sony cam was woring fine but suddenly it started giving an error E91:01 which is continuously flashing

i also have E:91:01 flashing on my camera and when i take a picture it does not flash even when my camera is on flash

E:91:01 is error code related to Flash Circuit abnormality. It requires qaulified technician to fix and such person would be available at nearest Sony repair shop.

easily just reset the camera with a pencil.