Brother 431C Sewing Machine User Manual


 
8. ELECTRIC MECHANISM
Panel P
CB
The panel PCB is fixed to the front panel of the operation panel. This PCB controls indications of the machine
status and the input operation.
3585Q
O
perat
i
on pane
l
[KE
-
436B
,
436C]
Panel PCB
3584Q
Panel PCB
-. Fuse explanation
When replacing a fuse, follow the instructions indicated in “ 8-14. Troubleshooting flowchart”. If a component
on a PCB is damaged, a fuse may blow again immediately even when it has been replaced.
When replacing a fuse, be sure to use the specified ones listed below.
No. Part name Part code When a fuse has blown
1
G fuse (5AFB)
(quick melting type, 5A-250V)
S08030-000
The feed mechanism and work clamp do not
operate.
Error E-A0 is displayed. ([E.A1] KE-436B,
436C)
2
G fuse (7AFB)
(quick melting type, 7A-250V)
S48580-000
The machine motor does not turn.
Error E-20 is displayed. ([E.20] KE-436B,
436C)
3
Fuse 6A
(glass tube fuse, 6A-250V)
153242-000
The power indicator is not illuminated, and
nothing operates.
4
Fuse 6A
(glass tube fuse, 6A-250V)
153242-000
The power indicator is not illuminated, and
nothing operates.
F
ront pane
l
M
a
i
n c
i
rcu
i
t
b
oar
d
mount
i
ng s
id
e
Fus
e
No.2
Fuse
No.1
Fuse
No.4
Fuse
No.3
3587Q3586Q
KE-430B, 430C series
139