Lincoln Electric POWER WAVE IM713-B - Manual (Page 33)

E-8 TROUBLESHOOTING E-8
POWER WAVE® 655/R
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
Error Code #
41 Secondary overcurrent error
43 Capacitor delta error
49 Single phase error
Other
Indication
The secondary (weld) current limit has been exceeded. When this
occurs the machine output will phase back to 100 amps, typically result-
ing in a condition referred to as "noodle welding"
NOTE: For The Power Wave® 655 the secondary limit is 880 Amps.
The maximum voltage difference between the main capacitors has been
exceeded. May be accompanied by errors 32-35.
Indicates machine is running on single phase input power. Usually
caused by the loss of the middle leg (L2).
Error codes that contain three or four digits are defined as fatal errors.
These codes generally indicate internal errors on the PS Control Board.
If cycling the input power on the machine does not clear the error, try
reloading the operating system. If this fails, replace the control board.