Brother pe-770 f05 speed sensor error - How to fix?

Q: What does F5 error message mean? A: Dirty speed sensor Q: How to fix F5 error message? A: Unplug the sewing machine and check the timing shutter wiring connection on the main PCB assembly. If the wiring connection is okay, clean the timing shutter. Replace the timing shutter if it doesn't work after you clean it. If the problem persists, replace the main PCB assembly.

You may need to get the sewing machine serviced; the repair must be handled as if you are fixing a computer. The F05/F5 error indicates a problem with the timing shutter, the PCB board or the wiring between them.

If you are going to try this, first unplug the machine and check the wiring. Next clean the timing shutter if the wiring is undamaged. Replace the timing shutter if the error recurs. If the machine still gives the F05 error, the PCB board has to be replaced.

Some of the parts for the Brother LB6800 are here: https://www.sewingpartsonline.com/brother-lb6800-sewing-machine-parts.aspx?sort.ss_cat_sort=desc&index=157.

I hope this helps.

Cindy Wells

The start/stop button was pressed without connecting the foot controller while the setting for adjusting the stitch width using the sewing speed controller is set to [ON].
You have selected a pattern for which width control cannot be used.

Search for:

Make Model error code F05

Brother pe 770 f05 speed sensor error How to fix

https://help.brother-usa.com/app/answers/detail/a_id/54058/p/5872,6520

Perhaps this will help:

BROTHER SE400 F05 ERROR SENSOR Brother SE400 Computerized Sewing and...

or take it for service.

..

It is done via the control panel settings. Look at the manual, page 21 and 22.

http://www.brother-usa.com/VirData/Content/en-US/HAD/Consumer/UsersManual/UM_PE_770%20%20%E2%80%93%20New!_EN_1819.PDF

Make & Model ??

Brother says it should not be oiled but having 14 of those, I know that it has to be done but a Brother technician will not do that. OILING the machine may cause F05 speed sensor error. See how to solve it under this label.

U need to remove the complete front plastic panel. 3 screws on the top (2 lower the handles, 1 at upper right. Remove 1 screw at the center bottom of the rear panel. Remove both left top/ bottom panels (1 screw each) then the horizontal bottom left panle (2 screws). All the balance is fixed with clips.

First undo the 2 clips under the machine than carefully unclip everywhere. Front panel have 2 wire assembly attached to main board. Regular one is easy to remove. To remove the flat one, send down the upper part of the attchment on the main board.

Don't use reg. thin white sewing machine oil, it evaporate. Use SAE 80 (differentail type) oil or something like taht. Lubrificate all 4 lower shaft supports, rotary hook gears and central pin (from the top, under the bobbin case). Then lubrificate all the upper shaf support and especially all the needle bar mechanism. U need a good light to see upper needle bar support. Lower needle bar support support is the most critical point.

here are some suggestions to try
it's may be the needle, it could be bent or blunt

it is possible that it could be the timing,,,, but first try changing the needle & try rethreading the
machine the top thread & bobbin also

make sure the bobbin is in the bobbin case correctly & that the bobbin case is correctly inserted into the machine correctly

check to see if there are any burrs on the needle plate
clean out from under the needle plate
also make sure the bobbin area is clean from lint or loose threads