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OM-210 088 Page 24
5-6. Troubleshooting Table
Trouble Remedy
No weld output; wire does not feed; fan
Secure power cord plug in receptacle (see Section 3-5).
does not run.
Replace building line fuse or reset circuit breaker if open.
Place Power switch in On position (see Section 4-1).
Check circuit breaker CB (CSA model), and reset if necessary (see Section 5-2).
No weld output; wire does not feed; fan
motor continues to run.
Thermostat S3 open (overheating). Allow fan to run; thermostat closes when unit has cooled (see Section
2-2).
Secure gun trigger leads (see Section 3-1).
No weld output; wire feeds. Connect work clamp to get good metal to metal contact.
Replace contact tip (see Section 5-4).
Check for proper polarity connections (see Section 3-2).
Low weld output. Connect unit to proper input voltage or check for low line voltage.
Place voltage switch in desired position (see Section 4-1).
Electrode wire feeding stops during
Straighten gun cable and/or replace damaged parts.
welding.
Adjust drive roll pressure (see Section 3-9).
Change to proper drive roll groove (see Section 5-3).
Readjust hub tension (see Section 3-8).
Replace contact tip if blocked (see Section 5-4).
Clean or replace wire inlet guide or liner if dirty or plugged (see Section 5-3 or Section 5-5).
Replace drive roll or pressure bearing if worn or slipping (see Section 5-3).
Secure gun trigger leads or repair leads (see Section 3-1).
Check circuit breaker CB or CB2 (depending on Model), and reset if necessary (see Section 5-2).
Check and clear any restrictions at drive assembly and liner (see Section 3-9 or Section 5-5).
Have nearest Factory Authorized Service Agent check drive motor.