Motor PCB or upper-shaft motor fault. After the other checks pass, the motor PCB or the upper-shaft motor itself is faulty; on some models E133 also points to a blown fuse.
Shown on Brother machines including 311H, 311HN, 341H, 342G, 430D, 430F, 430FX, 430HX, 438F, 800B, BAS326H484, BAS360H and others.
What to check
- Check fuses F1/F2 on the motor PCB; if they are good, replace the motor PCB or test the motor.
Switch the machine off before touching any connector. If the code comes back after these checks, the fault is usually in the control boxes, PCBs and sensors or servo motors.
Request a repair for this error or WhatsApp the code and your model to +91-9643480908 (Monday to Saturday, 10:00 AM to 8:00 PM (closed Sunday)).
Source
Summarised by Shankar Sewing from the BAS 311H SERVICE MANUAL (page 146); HE 800B SERVICE MANUAL (page 142); RH 9820 SERVICE MANUAL (page 229); RH 9820 instruction manual (page 127); bas326h484 instruction manual (page 58). The manual has the complete procedure and connector numbers for your exact model.
Other Brother error codes
E010 Stop switch pressed in standby · E015 Stop switch held at power-on · E016 Stop switch connection fault · E050 Head tilted when the treadle was pressed · E051 Head tilted while sewing · E055 Machine head switch position · E065 Panel key stuck · E111 Needle-up stop position not reached · E130 Motor stopped / synchroniser fault · E131 Motor encoder signal fault · E132 Blown fuse on the motor PCB · E150 Motor overheating · all Brother codes
Frequently asked questions
What does Brother error E133 mean?
Motor PCB or upper-shaft motor fault. After the other checks pass, the motor PCB or the upper-shaft motor itself is faulty; on some models E133 also points to a blown fuse.
How do I fix Brother error E133?
Check fuses F1/F2 on the motor PCB; if they are good, replace the motor PCB or test the motor. If the code stays, the fault is usually in the control boxes, PCBs and sensors or servo motors.
Which Brother machines show E133?
In the manuals we have read, E133 appears on 311H, 311HN, 341H, 342G, 430D, 430F, 430FX, 430HX, 438F, 800B and other models.