Brother International LK3-B431 MKII Instruction Manual - Page 60

14.

TABLE

OF

ERROR

CODES

Code

Cause

Remedy

E

-AO

Home

position

cannot

be

detected

(malfunction

of

home

position

sensor),

or

malfunction

of

power

supply

circuit

board.

Turn

off

the

power

and

check

the

connection

of

home

position

sensor

connector

P1.

E

-b0

You

tried

to

change

the

program

number

when

DIP

switch

A-8

was

set

to

ON.

Press

the

RESET

switch.

Set

DIP

switch

A-8

to

OFF

before

trying

to

change

the

program

number.

E

-d0

Heat

sink

of

control

circuit

board

is

abnormally

hot.

Turn

off

the

power

and

clean

the

air

intake

port

of

the

box.

E

-E0

—

—

—

—

—

E

-E1

E

-E2

Malfunction

of

EEPROM

(malfunction

of

main

circuit

board).

—

Corrupted

EEPROM

data,

or

main

PROM

version

has

been

upgraded.

—

Corrupted

EEPROM

control

information

data.

Turn

off

the

power,

and

turn

it

back

on.

If

the

error

continually

occurs,

contact

a

qualified

service

technician.

Press

the

RESET

switch

to

reset

the

error.

However,

the

data

(memory

switches,

display

and

user

programs)

will

be

reset

to

the

backup

data

or

initialized.

..

Press

the

RESET

switch

to

reset

the

error.

However,

the

data

(memory

switches,

display

and

user

programs)

will

all

be

initialized.

E

-FO

E

-F1

E

-F2

Solenoid

short-circuit

(malfunction

of

main

circuit

board),

or

power

relay

is

not

operating

(malfunction

of

power

supply

circuit

board).

Bad

connection

in

cable

between

power

supply

circuit

board

and

main

circuit

board.

Abnormal

current

detected

in

power

supply

circuit

board.

Turn

off

the

power

and

contact

a

qualified

service

technician.

—

-

Turn

off

the

power

and

check

if

connectors

P16

is

disconnected.

Turn

off

the

power

and

contact

a

qualified

service

technician.

•

Errors

generated

when

optional

equipment

is

connected

Code

Cause

Remedy

E-10

Emergency

stop

switch

was

pressed.

Turn

the

EMERGENCY

STOP

switch

clockwise

to

release

the

lock,

and

then

press

the

RESET

switch

to

reset

the

error.

E-11

Emergency

stop

switch

was

pressed

during

sewing.

Turn

the

EMERGENCY

STOP

switch

clockwise

to

release

the

lock,

and

then

press

the

RESET

switch

to

reset

the

error.

You

can

then

press

the

STEP

BACK

switch

to

repeat

the

sewing.

E-12

Emergency

stop

switch

is

being

continually

pressed,

or

emergency

switch

connection

error.

Turn

off

the

power

and

check.

E-14

Thread

breakage

detected.

Turn

the

EMERGENCY

STOP

switch

clockwise

to

release

the

lock,

and

then

press

the

RESET

switch

to

reset

the

error.

You

can

then

press

the

STEP

BACK

switch

to

repeat

the

sewing.

REFERENCE

segment

LED

alphabet

LI

Panel

display

PbcdEF5FI

L

_

o

L.

Text

display

A

b

c

d

E

F

6

H

L

o

53

LK3-B430E-,

8431E-, 8432E-,

B433E-

Mark

II

Brother International LK3-B431 MKII Instruction Manual - Page 60

PbcdEF5FI

Page 60 highlights