Brother International BAS-416 Service Manual - Page 150

Check/adjustment/repair

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NO. IN FLOW CHART AND ERROR STATUS CAUSE CHECK/ADJUSTMENT/REPAIR # 14 Thread trimming is not normal. Refer to "(5) electric solenoid" in troubleshooting. PARTS TO BE REPLACED i REF. PAGE #15 Embroidery is distorted. #16 Errors relative to corn m unication appear. • Improperly adjusted machinery • Main circuit board defective • Mis-operation Re-adjust machinery. Replace main circuit board. a. Check if machine is operated in hoop mode with cap frame. - - Main circuit board - - • I m proper RS cable • Paper tape reader defective • Editing system defective • Main circuit board defective C) Check that RS cable is correctly RS cable connected and proper continuity tested for. a. Check that power isturned on. b. Check that paper tape is set. c. Replace paper tape reader. Paper tape reader a. Check that power isturned on. b. Check that machine enters communication mode. c. Replace editing system. Editing system Replace main circuit board. Main circuit board #17 "Tape read Error" is displayed. • Mis-operation • Improper tape • Tape reader defective Select correct tape type. Poor punch of paper tape Paper tape runs short. a. Dirty head of paper tape reader b. Replace tape reader. - - Re-punch tape. Clean head. Tape reader #18 Solenoid does not operate. • Solenoid harness defective • Solenoid power defective • Solenoid defective • Main circuit board defective • improper machinery • Fuse F2 blown • Refer to item #10. C) Check connector P1 is correctly connected and proper continuity tested for. p With connector P6 of main circuit board Power supply unit unplugged, check voltage between pins 1 ( +) and 3 (-). If it is + 60V, it is normal. (D With connector P1 unplugged, measure resistance values of pins below. No.1 thread trimming solenoid 19f/ N0,2 No.3 thread wiper solenoid 232 Noil No.s j•ump solenoid No.6 185.12 No.7 picker solenoid No.8 No.9 presser foot solenoid Nolo 426c1 81s/ or 1211 Thread trimming solenoid Thread wiper solenoid Jump solenoid Picker solenoid Presser foot solenoid Each voltage should have above specified values. Replace main circuit board. Readjust machinery. Replace fuse. Refer to item #10. Main circuit board .. - Fuse Refer to item #10. 143 BAS-401 - 412A • 416A - BES-1210AC

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NO.
IN
FLOW
CHART
AND
ERROR
STATUS
CAUSE
CHECK/ADJUSTMENT/REPAIR
i
PARTS
TO
BE
REPLACED
REF.
PAGE
#
14
Thread
trimming
is
not
normal.
Refer
to
"(5)
electric
solenoid"
in
troubleshooting.
#15
Embroidery
is
distorted.
•
Improperly
adjusted
machinery
•
Main
circuit
board
defective
•
Mis-operation
Re
-adjust
machinery.
Replace
main
circuit
board.
a.
Check
if
machine
is
operated
in
hoop
mode
with
cap
frame.
-
-
Main
circuit
board
-
-
#16
Errors
relative
to
corn
m
unication
appear.
•
I
m
proper
RS
cable
•
Paper
tape
reader
defective
•
Editing
system
defective
•
Main
circuit
board
defective
C)
Check
that
RS
cable
is
correctly
connected
and
proper
continuity
tested
for.
a.
Check
that
power
isturned
on.
b.
Check
that
paper
tape
is
set.
c.
Replace
paper
tape
reader.
a.
Check
that
power
isturned
on.
b.
Check
that
machine
enters
communication
mode.
c.
Replace
editing
system.
Replace
main
circuit
board.
RS
cable
Paper
tape
reader
Editing
system
Main
circuit
board
#17
"Tape
read
Error"
is
displayed.
•
Mis-operation
•
Improper
tape
•
Tape
reader
defective
Select
correct
tape
type.
Poor
punch
of
paper
tape
Paper
tape
runs
short.
a.
Dirty
head
of
paper
tape
reader
b.
Replace
tape
reader.
-
-
Re
-punch
tape.
Clean
head.
Tape
reader
#18
Solenoid
does
not
operate.
•
Solenoid
harness
defective
•
Solenoid
power
defective
•
Solenoid
defective
•
Main
circuit
board
defective
•
improper
machinery
•
Fuse
F2
blown
•
Refer
to
item
#10.
C)
p
(D
Check
connector
P1
is
correctly
connected
and
proper
continuity
tested
for.
With
connector
P6
of
main
circuit
board
unplugged,
check
voltage
between
pins
1
(
+)
and
3
(-).
If
it
is
+
60V,
it
is
normal.
With
connector
P1
unplugged,
measure
resistance
values
of
pins
below.
Power
supply
unit
Thread
trimming
solenoid
Thread
wiper
solenoid
Jump
solenoid
Picker
solenoid
Presser
foot
solenoid
Main
circuit
board
..
-
Fuse
Refer
to
item
#10.
No.1
19f/
N0,2
thread
trimming
solenoid
No.3
thread
232
Noil
wiper
solenoid
No.s
•
185.12
No.6
jump
solenoid
No.7
426c1
No.8
picker
solenoid
No.9
foot
81s/
Nolo
presser
solenoid
or
1211
Each
voltage
should
have
above
specified
values.
Replace
main
circuit
board.
Readjust
machinery.
Replace
fuse.
Refer
to
item
#10.
143
BAS
-401
-
412A
•
416A
-
BES-1210AC