Brother FS-40 User Manual

5 - 4
Failure Investigation
for Electronic Parts
Error message is displayed
Replace the operation PCB assy.
or
Replace the main PCB assy.
Is one of the stitch selection key,
stitch length adjustment key and
stitch width adjustment key stuck in
a pressed down condition?
N
Y
Release the key that is stuck.
"F3" is displayed.
Replace the foot controller
jack assy.
Is the lead wire of the foot controller
jack assy. free from damage?
Y
N
Connect it correctly.
Is the foot controller jack assy.
connected to the main PCB assy.
(CN4) correctly?
N
Y
Replace the main PCB assy.
"F4" is displayed.

Brother FS-40 Specifications

General

Stitch Number	40
Buttonhole Styles	5
Display	LCD
Lighting	LED
Type	Electronic
Needle Threading	Automatic
Adjustable Stitch Length	Yes
Adjustable Stitch Width	Yes
Maximum Stitch Width	5 mm
Maximum Stitch Length	4 mm
Reverse Sewing	Yes
Free Arm	Yes
Start/Stop Button	Yes
Speed Control	Yes
Bobbin	Top-loading
Sewing Speed	750 stitches per minute