Lincoln Electric FLEXTEC 450 CE - Manual (Page 30)

E-3 TROUBLESHOOTING E-3
FLEXTEC™ 450 CE
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
USING THE STATUS LED TO TROUBLESHOOT SYSTEM PROBLEMS
Errors are displayed on the user interface. In addition, there are status lights on the control pc board and the
switch pc board that contain error sequences.
Included in this section is information about the Status Lights and some basic troubleshooting charts for both
machine and weld performance.
The status lights on the main control board and the switch pc board are dual-color LEDʼs. Normal operation for
each is steady green. (For Code 11776 only)
Error
Code#
21
24
716
718
31
45
711
712
713
714
715
717
719
Description
Internal Control Board Error.
Primary Over Current.
VRD™ Voltage limit exceded.
CAP bank over-voltage or under-
voltage.
Communication or Switch Board
Fatal.
Input Power Misconnect – Supply
Voltage too High.
Input Power Misconnect – Supply
Voltage too Low.
Switchboard Under-voltage Lock
Out.
Control Board Mis-configuration.
Internal Switchboard Error.
Cycle power to the machine.
If condition persists contact an authorized
Lincoln Field Service Shop.
Check the input power (voltage and frequency).
Verify the primary reconnect is properly config-
ured for the input voltage.
If condition persists contact an authorized
Lincoln Field Service Shop.
If condition persists contact an authorized
Lincoln Field Service Shop.
If condition persists contact an authorized
Lincoln Field Service Shop.
If condition persists contact an authorized
Lincoln Field Service Shop.
Verify the input supply voltage to the machine is
within rated specifications.
Verify the input supply voltage to the machine is
within rated specifications.
Verify input voltage level.
If condition persists contact an authorized
Lincoln Field Service Shop.
Verify that the wiring to connector J5 on the
control board matches the machine wiring dia-
gram.
If condition persists contact an authorized
Lincoln Field Service Shop.
Cycle Power to the machine.
If condition persists contact an authorized
Lincoln Field Service Shop.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset.
Weld Terminals Remote: Re-
trigger to recover from error.
Weld Terminals Local: Toggle
Remote/Local Switch to recover
from error.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset.
Machine needs to be turned off
and back on to reset
.
Error Codes for the FLEXTEC™ 450 CE
Corrective Action