Question about Brother PE770 Computerized Sewing Machine
Starts stitching perfectly, then starts beeping and reads"F05 speed sensor" as the error; the beeping will not stop and nothing can be done unless the machine is completely shut down. Then after starting up again, it stitches perfectly for a minute and does the same thing. I can't find any info on this error - what is it and how is it fixed?
F05 error, speed sensor. I fixed successfully 2 of those. Speed sensor is located on a small board, under a protective plastic, located over the main front board. Remove front panel and bobin winder assembly. Remove the 2 screws of the small board. Remve CAREFULLY the small bord. Under, on the main shaft, are located the needle positionning sensors and the wheel of the speed sensor (left wheel on the shaft). The speed sensor is located on the board itself, it's very small. Clean carefully both the wheel and the sensor with Q-Tips and alchool, reassemble the whole thing and it should restart.
While U are there, take a thin nozzle oiler and lubrificate all the suppots of upper and lower shaft, all the needle bar mechanism and rotary hook central shaft and gears WITH VERY THICK oil. Needle bas assembly is the most critical point. I have 14 of those machines, almost all of those seized there before I learn how to lubrificate it. Also seized on the bottom shaft and on rotary hook pin
Posted on Jul 05, 2012
Hello, i've got the same problem with my embroidery machine innovis 955 .. pls, help ! :(
Posted on Nov 18, 2017
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Posted on Jan 02, 2017
try to rethread the machine all the way back to the spool of thread and check the top and bottom tensions on scrap of same fabric
Posted on Dec 13, 2009
Take the thread out, Take the needle plate out Watch as the needle comes comes down, make sure the hook is just above the eye of the the needle as it makes its pass by the scarf of the needle if not refer to my post on timing.
Posted on Jun 02, 2010
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