15. TABLE OF ERROR CODES
65
KE-434C,435C
Code
Cause
Remedy
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 “10-13. Checking the input voltage”.)
E-91
Abnormal rise in power supply voltage.
Turn off the power and check the input voltage.
(Refer to “10-13. 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.
E-E1
Corrupted EEPROM data, or main PROM version
has been upgraded.
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.
E-E2
Corrupted EEPROM control information data.
Press the RESET switch to reset the error. However, the
data (memory switches, display and user programs) will all
be initialized.
E-F0
Solenoid or feed motor short-circuit (malfunction of
main circuit board), or power relay is not operating
(malfunction of power supply circuit board).
Turn off the power and contact a qualified service technician.
E-F1
Bad connection in cable between power supply
circuit board and main circuit board.
Turn off the power and check if connectors P16 is
disconnected.
E-F2
Abnormal current detected in power supply circuit
board.
Turn off the power and contact a qualified service technician.
<Errors generated when optional equipment is connected>
Code
Cause
Remedy
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 BOBBIN. WIND switch to repeat the
sewing.
E-15
Air pressure drop error.
Turn off the power and check. If drops in air pressure are not
being detected, clear all memory settings and then set the
memo-1d switch to OFF.
E-16
Bobbin thread sensor mechanism error
Turn off the power and check. If the bobbin thread amount is
not being detected, clear all memory settings and then set
the memo-24 switch to OFF.
REFERENCE
segment LED alphabet
Panel display
Text display
A
b
c
d
E
F
6
H
L
O