Brother PR655 Service Manual page 10

Needle threader (left/right) ...............................................................................4 - 29
Y belt tension ...................................................................................................4 - 30
X belt tension ...................................................................................................4 - 31
Picker activation ...............................................................................................4 - 32
Movable knife initial position ............................................................................4 - 33
Thread presser base up/down position ............................................................4 - 34
Hoop sensor (A/D value) .................................................................................4 - 35
Upper shaft encoder phase .............................................................................4 - 37
X, Y carriage initial position .............................................................................4 - 38
Movable knife and Fixed knife engagement load ............................................4 - 39
Movable knife and Fixed knife pre-conditioning ...............................................4 - 40
LED pointer position ........................................................................................4 - 41
5. Failure Investigation for Electronic Parts .........................................5 - 1
Error message list ..............................................................................................5 - 2
The power is not turned on. ...............................................................................5 - 3
The touch panel does not work. .........................................................................5 - 6
The panel switch does not work. .......................................................................5 - 7
The needle bar does not move normally. ..........................................................5 - 8
Thread breakage detection does not function normally. ....................................5 - 9
The hoop does not move normally. .................................................................5 - 10
The main shaft does not rotate normally. ........................................................5 - 12
Thread is not cut normally. ..............................................................................5 - 14
The wiper does not function normally. .............................................................5 - 15
A needle is not threaded normally. ..................................................................5 - 16
The picker does not function normally. ............................................................5 - 17
LED light does not turn ON. .............................................................................5 - 18
USB function and USB media cannot be used normally. ................................5 - 19
The hoop sensor does not function normally. ..................................................5 - 20
Sound does not work .......................................................................................5 - 23
LED pointer does not light ...............................................................................5 - 24
Cannot upgrade software ................................................................................5 - 25
Error message .................................................................................................5 - 27
Replacement of main PCB assy or panel PCB assy .......................................5 - 32
Correspondence table of "Model" and "Printed-circuit board" ..........................5 - 33
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