Lincoln Electric POWER WAVE R450 Operator's Manual page 38

POWER WAVE R450
The following is a partial list of possible error codes for the POWER WAVE
Manager "Lookup Error".
MAIN CONTROL BOARD ( "STATUS" LIGHT)
Error Code #
36 Thermal error
54 Secondary (Output) over current error
56 Chopper communication error
58 Primary Fault error
71 Secondary (Output) over power error
Other
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
Observe all Safety Guidelines detailed throughout this manual
ERROR CODES FOR THE POWER WAVE
Indicates over temperature. Usually accompanied by Thermal LED. Check fan
operation. Be sure process does not exceed duty cycle limit of the machine
The long term average secondary (weld) current limit has been exceeded.
NOTE: The long term average secondary current limit is 325A (1 Phase) or
575A (3 Phase).
Indicates communication link between main control board and chopper has
errors. If cycling the input power on the machine does not clear the error, contact
the Service Department.
Review error code from input board status light or status beeper. Most likely
caused by an over power condition which caused an under voltage on the prima-
ry bus. If cycling the input power on the machine does not clear the error, contact
the Service Department.
The long term secondary (Weld) power limit has been exceeded.
NOTE: The long term average secondary current limit is 25kw (3 Phase), 14kw (1
Phase).
Error codes that contain three or four digits are defined as fatal errors. These
codes generally indicate internal errors on the Power Source Control Board. If
cycling the input power on the machine does not clear the error, contact the
Service Department.
®
®
R450. For a complete listing consult the Power Wave
Indication
E-3
TROUBLESHOOTING
R450