Brother LK3-B448E instruction manual Table of error codes, Danger

16. Table of error codes

16. Table of error codes

DANGER

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high voltages are present can result in severe injury.

If a malfunction should occur with the sewing machine, a buzzer will sound and an error code will appear in the display window. Follow the remedy procedure to eliminate the cause of the problem.

Code	Cause	Remedy
E-13	Machine specification select connector is not	Turn off the power and check if connectors P3 is
	connected properly.	disconnected.
		Turn off the power, and then turn the machine pulley to
E-20	Problem with machine motor stopping, or	check if the machine has locked up. Check the
	synchronizer connection error.	synchronizer connection. Check if connectors P11, P12
		and P13 are disconnected.
E-21	Machine motor operation error.	Turn off the power and check the ground wire
		connection.
E-30	Data is outside possible sewing area due to	Press the RESET switch, and then set the enlargement
	enlargement ratio setting.	ratio again.
E-31	Stitch pattern data overlaps the sewing area	Press the RESET switch, and then reset the memory
	when area limiting is active.	switches “30” and “31” or enlargement ratio.
	The data format of the user program (% or	After changing the setting of DIP switch A-6, clear all
E-32	mm) does not match the setting of DIP switch	memory settings. (Refer to “15-1. Clearing all memory
	A-6.	settings”.)
E-40	Length of a stitch exceeds 10 mm.	Press the RESET switch, and then set the enlargement
		ratio again.
E-41	Abnormality in the sewing data.	If programming a new sewing data, repeat the
		procedure from the beginning.
E-42	Invalid program number specified.	Press the RESET switch and specify a correct number.
		Turn the pulley to align the index mark with the needle
E-50	Needle bar does not stop when the needle is	up stop position. (Refer to “10-12. Adjusting the needle
	raised.	up stop position”.) Check the V-belt tension. (Refer to
		“3-18. Installing the V-belt”.)
E-60	Presser has not been lowered.	Refer to “18. Troubleshooting”.
E-61	Presser cannot be raised.
		Turn off the power and check the connection of presser
E-62	Presser is not raised.
		sensor connector P1.
E-63	Presser cannot be lowered.
E-70	Cooling fan does not operate.	Turn off the power, and then check if the cooling fan is
		blocked with scraps of thread.
E-80	Motor PROM is not correctly inserted.	Turn off the power and check.
E-81	Foot switch was depressed when the power	Turn off the power and check.
	was turned on.
E-82	An operation panel switch was depressed	Turn off the power and check the operation panel.
	when the power was turned on.	Check that all panel cords are normal.
	Abnormal drop in power supply voltage, or	Turn off the power and check the input voltage. After
		turning off the power, wait 3 seconds or more before
E-90	power was turned on again immediately after
		turning it on again. (Refer to “10-15. Checking the input
	it was turned off.
		voltage”.)
E-91	Abnormal rise in power supply voltage.	Turn off the power and check the input voltage. (Refer
		to “10-15. Checking the input voltage”.)

LK3-B448E MARKII/BA-16

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