Brother error E705: Power supply voltage abnormally low

Power supply voltage abnormally low. The mains voltage dropped below the permitted range.

Shown on Brother machines including 311H, 311HN, 341H, 342G, 430D, 430F, 430FX, 430HX, 438F, 6200A, 7000DD, 7100A and others.

What to check

  1. Check the supply is at the specification voltage ±10%; avoid sharing a weak line with heavy loads.

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.

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 HE 800B SERVICE MANUAL (page 140); BAS 311H SERVICE MANUAL (page 34); S 7000DD instruction manual (page 50); S 7100A instruction manual (page 51); BE 438F SERVICE MANUAL (page 34). 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 · E133 Motor PCB or upper-shaft motor fault · all Brother codes

Frequently asked questions

What does Brother error E705 mean?

Power supply voltage abnormally low. The mains voltage dropped below the permitted range.

How do I fix Brother error E705?

Check the supply is at the specification voltage ±10%; avoid sharing a weak line with heavy loads. If the code stays, the fault is usually in the control boxes, PCBs and sensors.

Which Brother machines show E705?

In the manuals we have read, E705 appears on 311H, 311HN, 341H, 342G, 430D, 430F, 430FX, 430HX, 438F, 6200A and other models.