Brother 430C Sewing Machine User Manual


 
8. ELECTRIC MECHANISM
Erro
r status #6 Home position is not correct.
Probable causes Check/ repair/ adjust Parts to be replaced
Check the status of home position signals.
(Detect the home position and check the
monitor lamps (red) of the X and Y home
position sensors.)
1. Home position sensor not
adjusted properly
<KE-430*, 431*, 432*, 433B, BE-438*>
X is illuminated and Y is off.
<KE-434*, 435*, 436*, 484C>
Both X and Y are off.
In the above cases, adjust the position of
the home position dog. (See “5-24.
Adjusting the home position.”)
For any other cases, carry out inspection
#8.
Error status #7 Work clamp does not return to the home position even after the foot switch is depressed.
Probable causes Check/ repair/ adjust Parts to be replaced
Foot swit
ch 1. Foot switch and cord defec-
tive
(Make sure that the power is turned off.)
KE-430B, 430C series
181
Remove the connector for foot switch
connected to the outside of the control
box, and check the continuity between
pins 1 and 2, and pins 7 and 8 in the
connector on the cord. (For pneumatic
specification, check the continuity be-
tween pins 3 and 4.)
The continuity in each case should be
normally or 0 when the foot switch
is depressed.
2. Any cord in the control box is
defective
Insert the connector checked above, open
the control box, and check the continuity
between pins 1 and 2, pins 3 and 4 in the
connector P17 (FOOT) on the main circuit
board. (For pneumatic specification, check
the continuity between pins 5 and 6.)
(Without removing the connector, put a
tester from the lead side.)
The continuity in each case should be
normally , or 0 when the foot switch
is depressed.
Foot switch cord
assembly
Error status #8 Error code appears on the display window when the foot switch is depressed.
Probable causes Check/ repair/ adjust Parts to be replaced
1. Fuse has blown when the
feed mechanism does not
move and error code E-A0
appears on the display
window.
([E.A1] KE-436B, 436C)
• Remove fuse No.1 and check it for
continuity. If there is no continuity, the
fuse is defective. Proceed to #8-2.
Fuse 5A-250V
3636Q
(First
position)
Connector on the cord
Wor
k
clamp
(Second
position)
Start
S
econd position work clamp
(Pneumatic only)
Start
Work
clamp
Work clamp
(second position)
(Pneumatic only)
3637
Q