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8. ELECTRIC MECHANISM
KE-430B, 430C series
169
Code Cause Remedy
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.
[KE-436B, 436C]
Code Cause Remedy
E.10
Emergency stop switch was pressed.
Turn the EMERGENCY STOP switch clockwise to
release the lock, and then press the STEP BACK
(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 STEP BACK
(RESET) switch to reset the error. You can then
press the STEP BACK (RESET) switch to repeat
the sewing.
E.12
Emergency stop switch is activated or its
connection is not correct.
Turn off power and check it.
E.13
Defective connection of model selection
connector.
Turn off power and check connector P3.
E.14
Foot switch was depressed, or connection of
foot switch is defective.
Turn off power and check it.
E.15
Start switch was depressed, or connection of
start switch is defective.
Turn off power and check it.
E.16
Machine head was tilted back. Turn off power and tilt machine head back.
E.17
Operation panel switch was depressed when
power was turned on.
Turn off power and check it.
E.20
Motor malfunctions or synchronizer is not
connected correctly. Or thermostat inside
sewing machine motor has operated.
Turn off power, and then turn the machine pulley to
check if the machine has locked up. Check the
synchronizer connection, and connectors P11, P12
and P13.
Check if the sewing machine motor has overheated.
E.21
Motor malfunctioned. Turn off power and check ground wire connection.
E.22
Needle up stop position error.
Turn pulley to align timing mark with that on belt
cover.
E.30
Data exceeds available sewing area due to
resize ratio.
Adjust resize ratio.
E.31
Stitch length exceeds 10mm due to resize
ratio.
Adjust resize ratio.
E.32 No end code in sewing data. Input end code, or change program No.