Brother manual 175

8. ELECTRIC MECHANISM

Code

Cause

Remedy

E-31

Stitch pattern data overlaps the sewing area

Press the RESET switch, and then reset the

memory switches “30” and

“31” or enlargement

when area limiting is active.

ratio.

The data format of the user program (% or

After changing the setting of DIP switch A-6, clear

E-32

mm) does not match the setting of DIP

all memory settings. (Refer to “8-11. Clearing all

switch A-6.

memory 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.

E-50

Needle bar does not stop when the needle is

Turn the pulley to align the index mark with the

needle up stop position. (Refer to “5-25. Adjusting

raised.

the needle up stop position”.)

E-60

Presser has not been lowered.

Refer to “6. Troubleshooting”.

E-61

Presser cannot be raised.

Turn off the power and check the connection of

E-62

Presser is not raised.

presser sensor connector P1.

E-63

Presser cannot be lowered.

E-64

Work

clamp

closed sensor stays on,

or

Refer to “6. Troubleshooting”.

sensor is incorrectly connected.

Turn off the power and check the connection of

E-65

Work clamp does not close.

work clamp closed sensor connector P1.

E-66

Thread trimmer cylinder does not operate.

Turn off the power and check the cylinder.

E-67

Thread wiper cylinder does not operate.

Turn

off the

power,

and then

check if thread is

tangled in the thread wiper.

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.

E-90

After turning off the power, wait 3 seconds or more

power was turned on again immediately after

before turning it on again. (Refer to “8-10. Checking

it was turned off.

the input voltage”.)

E-91

Abnormal rise in power supply voltage.

Turn

off the

power

and check

the

input

voltage.

(Refer to “8-10. Checking the input voltage”.)

E-A0

Home position cannot be detected

Turn

off the

power

and check

the

connection

of

(malfunction

of

home position

sensor),

or

home position sensor connector P1.

malfunction of power supply circuit board.

E-b0

You

tried to

change the

program number

Press the RESET switch.

when DIP switch A-8 was set to ON.

Set DIP switch A-8 to OFF before trying to change

the program number.

E-b1

No sewing data available.

Replace the PROM with one which contains sewing

data.

E-d0

Heat

sink

of

control

circuit

board

is

Turn off the power and clean the air intake port of

abnormally hot.

the box.

Malfunction of EEPROM (malfunction of

Turn off the power, and turn it back on. If the error

E-E0

continually

occurs,

contact

a

qualified

service

main circuit board).

technician.

KE-430B, 430C series 168