Weak Arc Strength - Chicago Electric 93793 Set Up And Operating Instructions Manual

Dual mig welder

Table of Contents

Be certaIn to shut off the Welder, disconnect it from power, and discharge the torch to

ground before adjusting, cleaning, or repairing the unit.

Welder does not function when switched on

tripped thermal protection device:

Shut the welder's switch to off and allow it to cool for at least 20 minutes.

Reduce duration or frequency of welding periods to help reduce wear on the welder.

Refer to Duty Cycle section on page 18.

Faulty or improperly connected control Switch (51f):

Have a technician check and secure/replace Control Switch (51f).

Internal fuse blown:

Have a qualified technician check/replace.

Incorrect line voltage:

Check the line voltage and, if insufficient, have a licensed electrician remedy the

situation.

Improper ground connection:

Make certain that the workpiece is contacted properly by the Ground Clamp and that

the workpiece is properly cleaned near the ground clamp and the welding location.

Improperly sized or excessively worn contact tip (51b):

Verify that Contact Tip (51b) is the proper size for the welding wire used. Check that

the hole in the tip is not deformed or enlarged. Also, check that the tip is not dirty;

this would prevent a good connection. If needed, replace Contact Tip (51b) with

proper size and type.

If the steps above do not solve the problem or if the repairs involved are too

SKU 93793

For technical questions, please call 1-800-444-3353.

troubleshooting (continued)

IMpOrtant!

pOSSIBle cauSeS anD SOlutIOnS