Lincoln Electric IM713-B Manuel d'utilisateur télécharger pdf (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.

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Lincoln Electric IM713-B Manuel d'utilisateur Page 33