Brother International BAS-311E Network Users Manual - English - Page 117

Foot switch and cord defective, Panel circuit board is defective.

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Chapter 7 Error status Probable causes #8 The work clamp does not move to the sewing start position. 1. Pulse motor has been out of control because of insufficient torque. (The feed mechanism does not move as programmed.) 2. Mechanical adjustment is not sufficient. 3. Pulse motor defective. 4. The control circuit board is defective. #9 The TEST lamp is not lit when the TEST switch is pressed. 1. Panel circuit board is defective. Check/repair/adjust Parts to be replaced • If the work clamp or material to be sewn is sluggish, set DIP switch B-8 to off and set the feed speed to low. • Turn the power off and then on again. Move the feed mechanism manually to check that it can easily move around the sewing area. • Refer to #7-4 • Refer to #1 and #2 (panel switch). Pulse motor Control circuit board. Panel circuit board #10 No feeding operation occurs during the test. • Refer to #6, #7, and #8 #11 Rapid feed can not be performed during the test. 1. Foot switch and cord defective • Refer to #4-1 #12 The machine does not operate as programm ed during the test. #13 The machine does not operate for sewing and error [E.20] appears. 1. Cord is defective. • Refer to #8 • Check that connector P3 (DC18) on the power PCB and connector P16 (DC18) on the control circuit board are securely inserted. • Check that connector P5 (DC300) on the power PCB and connector P15 (DC300) on the control circuit bard are securely inserted. • Check that connector P14 (UVW) on the control circuit board is securely inserted and there is no looseness of the machine motor. Power supply harness H-P Motor power cord. BAS-311E.311EL.326E.326EL 109

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109
BAS-311E.311EL.326E.326EL
Chapter 7
#8
The work
clamp does
not move
to the
sewing
start
position.
#9
The TEST
lamp is not
lit when
the TEST
switch is
pressed.
#10
No feeding
operation
occurs
during the
test.
#11
Rapid feed
can not be
performed
during the
test.
#12
The
machine
does not
operate as
programm
ed during
the test.
#13
The
machine
does not
operate for
sewing and
error [E.20]
appears.
Probable causes
1.
Pulse motor has been out of
control because of insufficient
torque.
(The feed mechanism
does not move as programmed.)
2.
Mechanical adjustment is not
sufficient.
3.
Pulse motor defective.
4.
The control circuit board is
defective.
1.
Panel circuit board is defective.
1.
Foot switch and cord defective
1.
Cord is defective.
Check/repair/adjust
• If the work clamp or material to be sewn is
sluggish, set DIP switch B-8 to off and set the feed
speed to low.
• Turn the power off and then on again.
Move the
feed mechanism manually to check that it can
easily move around the sewing area.
• Refer to #7-4
• Refer to #1 and #2 (panel switch).
• Refer to #6, #7, and #8
• Refer to #4-1
• Refer to #8
• Check that connector P3 (DC18) on the power PCB
and connector P16 (DC18) on the control circuit
board are securely inserted.
• Check that connector P5 (DC300) on the power
PCB and connector P15 (DC300) on the control
circuit bard are securely inserted.
• Check that connector P14 (UVW) on the control
circuit board is securely inserted and there is no
looseness of the machine motor.
Parts to be replaced
Pulse motor
Control circuit
board.
Panel circuit board
Power supply
harness H-P
Motor power cord.
Error status