Error Code Displays - Brother S-7200B Service Manual

Single needle direct drive straight lock stitcher with thread trimmer
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13. TROUBLESHOOTING

13-2. Error code displays

Error code
Err
1
(Overvoltage)
Err
2
(Overcurrent)
Err
3
(Encoder error)
Err
4
(Motor lock)
69
If an error code appears on the operation panel display
1. Make a note of the error code and then turn off the power.
2. After the operation panel display has turned off, eliminate the cause of the error and then turn
the power back on.
Does the power supply voltage match the
control box voltage specifications?
Check the voltage.
Is the power supply voltage abnormally high?
Check.
Problem with control box.
Replace the control box.
Is the electrical equipment connector inside
the control box disconnected?
Insert the connector securely.
Is the encoder connector inside the control
box disconnected?
Insert the connector securely.
Is the motor connector disconnected from the
control box?
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.
Possible cause
Voltage rating label
S-7200B
2198M
Page
50
50
49
2199M
52
3155M
52
3156M
49
2202M

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