Error 404 Shutter bad remission

Error 404 !

Meaning- shutter bad remission !

Reason for the error- there could be dirt in the shere.

Possible solution :, Clean the Upper heater from the inside.

                                   - perform shutter check

                                   - Perform shutter remission

Or change the optomechanical unit, and perform white strip calibration and perform CHEK strip calibration..!

But important of all you have to get the WINCASH7 software !.

By VUNI Ibrahim .( Ugandan, East africa )

after warming up it display error 404 

plaease can you show that heater that i need to clean/