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8. LIST OF ERROR CODES

BAS-311HN, BAS-326H

Motor-related errors

Code Cause of error and remedy

E110

The needle bar is not stopped in the needle up stop position.

Turn the pulley until the point where the error display disappears.

E111

Upper shaft did not stop at the needle up stop position when the sewing machine stopped.

Turn off the power, and then check that connectors P11 and P1 on the motor P.C. board and connector P6 on the

main P.C. board are properly inserted.

E121

Thread trimming was not completed.

Turn off the power, and then check if the cutting edges of the fixed knife and movable knife are damaged or worn.

E130

Upper shaft motor stopped due to a problem, or synchronizer is faulty.

Turn off the power, and then turn the pulley and check if the sewing machine has locked up. Check that

connectors P11 and P1 on the motor P.C. board, connector P6 on the main P.C. board and the 4-pin connector of

the upper shaft motor on the motor P.C. board are properly inserted.

E131

Synchronizer is not connected correctly.

Turn off the power, and then check that connector P11 on the motor P.C. board is properly connected.

E132

Problem detected with upper shaft motor operation.

Turn off the power, and then check that connectors P11 and P1 on the motor P.C. board, connector P6 on the

main P.C. board and the 4-pin connector of the upper shaft motor on the motor P.C. board are properly inserted.

E133

Upper shaft motor stopping position is incorrect.

Turn off the power, and then check that connectors P11 and P1 on the motor P.C. board, connector P6 on the

main P.C. board and the 4-pin connector of the upper shaft motor on the motor P.C. board are properly inserted.

E150

Upper shaft motor is overheating, or temperature sensor is faulty.

Turn off the power, and then check the upper shaft motor.

(When sewing data with a small number of stitches (15 stitches or less) is sewn repeatedly (short cycle

operation), the upper shaft motor may overheat and the “E150” error code may be generated.)

Brother bas-311hn User Manual

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