Brother 434C Sewing Machine User Manual


 
8. ELECTRIC MECHANISM
KE-430B, 430C series
168
Code Cause Remedy
E-31
Stitch pattern data overlaps the sewing area
when area limiting is active.
Press the RESET switch, and then reset the
memory switches “30” and “31” or enlargement
ratio.
E-32
The data format of the user program (% or
mm) does not match the setting of DIP
switch A-6.
After changing the setting of DIP switch A-6, clear
all memory settings. (Refer to “8-11. Clearing all
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
raised.
Turn the pulley to align the index mark with the
needle up stop position. (Refer to “5-25. Adjusting
the needle up stop position”.)
E-60
Presser has not been lowered.
E-61
Presser cannot be raised.
E-62
Presser is not raised.
E-63
Presser cannot be lowered.
Refer to “6. Troubleshooting”.
Turn off the power and check the connection of
presser sensor connector P1.
E-64
Work clamp closed sensor stays on, or
sensor is incorrectly connected.
E-65
Work clamp does not close.
Refer to “6. Troubleshooting”.
Turn off the power and check the connection of
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
was turned on.
Turn off the power and check.
E-82
An operation panel switch was depressed
when the power was turned on.
Turn off the power and check the operation panel.
Check that all panel cords are normal.
E-90
Abnormal drop in power supply voltage, or
power was turned on again immediately after
it was turned off.
Turn off the power and check the input voltage.
After turning off the power, wait 3 seconds or more
before turning it on again. (Refer to “8-10. Checking
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
(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-b1
No sewing data available.
Replace the PROM with one which contains sewing
data.
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
Malfunction of EEPROM (malfunction of
main circuit board).
Turn off the power, and turn it back on. If the error
continually occurs, contact a qualified service
technician.