6-10. Troubleshooting
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| Welding Trouble |
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| Remedy |
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No weld output; wire does not feed. | Secure power cord plug in receptacle (see Section | |||
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| Check power switch/supplementary protector, and reset if necessary. If supplementary protector is not | ||
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| tripped, replace power switch. | ||
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| Check supplementary protector CB1, and reset if necessary (see Section | ||
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| Replace building line fuse or reset circuit breaker if open (see Section | ||
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| Secure gun plug in receptacle or repair leads, or replace trigger switch (see Section | ||
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| Thermostat TP1 or TP2 open (overheating). Allow fan to run; the thermostat will close when the unit has | ||
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| cooled (see Section | ||
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No weld output; wire feeds. | Connect work clamp to get good metal to metal contact. | |||
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| Replace contact tip (see Section | ||
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Low weld output. | Connect unit to proper input voltage or check for low line voltage (see Section | |||
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Low, high, or erratic wire speed. | Readjust front panel settings (see Section | |||
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| Change to correct size drive roll (see Section | ||
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| Readjust drive roll pressure (see Section | ||
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| Replace inlet guide, contact tip, and/or liner if necessary (see Sections | ||
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Wire Drive/Gun Trouble | Remedy | |
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Electrode wire feeding stops during | Straighten gun cable and/or replace damaged parts (see Section | |
welding. |
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Adjust drive roll pressure (see Section | ||
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| Readjust hub tension (see Section | |
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| Replace contact tip if blocked (see Section | |
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| Clean or replace wire inlet guide or liner if dirty or plugged (see Section | |
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| Replace drive roll if worn or slipping (see Section | |
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| Secure gun plug in receptacle or repair leads, or replace trigger switch (see Section | |
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| Check and clear any restrictions at drive assembly and liner (see Section | |
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| Have nearest Factory Authorized Service Agent check drive motor. | |
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