22-2.Error Code Displays - Brother S-710A Service Manual

22. TROUBLESHOOTING
22-2. Error code displays
If an error code is flashing on the operation panel display
Error code
bo
0995M
dp
(DD7100A, 710A only)
1925M
Ec
0999M
Er
1000M
L
0988M
O
1926M
143
• Is the bobbin changer power
switch turned on?
Turn on the bobbin changer
power switch.
• Is a standby signal still being input from the bobbin changer?
Check the bobbin changer.
• Is DIP switch 8 inside the control
box set to ON?
Set DIP switch 8 to OFF.
• Malfunction of speed sensor, or open circuit in cord.
Replace the motor.
• Has the setting for standard depression strokes been set correctly?
Repeat the setting for standard depression strokes.
• Treadle unit malfunction.
Replace the treadle unit.
• Is the motor connector inside the
control box disconnected?
Insert the connector securely.
• Has the machine locked up?
Turn off the power and then turn the machine pulley by hand and check
that it turns easily.
• Was a key other than the half stitch key on the operation panel still on
when the power was turned on?
Take your hand off the operation panel and turn the power switch on.
• Problem with operation panel.
Replace the operation panel.
Possible cause
SL-710A
Page
-
0996M
-
81
1003M
34
92
96
Instruction manual
0989M
-
-
55