| . Complete Parts List available at www. MillerWelds.com | |
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Trouble | Remedy | |
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Low output at generator power ac | Check engine speed, and adjust if necessary (see Section | |
receptacles. | engine speed drops. | |
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Erratic output at generator power ac | Check fuel level. | |
receptacles. |
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Have Factory Authorized Service Agent check connections at terminal block 1T. | ||
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| Check receptacle supplementary protector, wiring, and connections. | |
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| Check throttle linkage for smooth, | |
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| Service air cleaner according to engine manual. | |
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| Check engine speed, and adjust if necessary (see Section | |
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C. Wire Feeder |
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Trouble | Remedy | |
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No weld output; wire does not feed; fan | Secure power cord plug in receptacle (see Section | |
does not run. |
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Replace building line fuse or reset circuit breaker if open. | ||
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| Place Wall/Generator switch in Wall position. | |
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| Reset welding power source supplementary protector if open. | |
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No weld output; wire does not feed; fan | Thermostat TP1 open (overheating). Allow fan to run with gun trigger switch off; thermostat closes when | |
motor continues to run. | unit has cooled. | |
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| Secure gun trigger leads (see Section | |
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| Check position of Spool Gun/Mig Gun switch. | |
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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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| Check for proper polarity connections (see Section | |
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| Check thumbscrew securing gun end to feed head adapter and tighten if necessary. | |
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Low weld output. | Connect unit to proper input voltage or check for low line voltage. | |
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| Place voltage control in desired position (see Section | |
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Electrode wire feeding stops during | Straighten gun cable and/or replace damaged parts. | |
welding. |
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Adjust drive roll pressure (see Section | ||
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| Change to proper drive roll groove (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 or pressure bearing if worn or slipping (see Section | |
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| Secure gun trigger leads or repair leads (see Section | |
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| Check and clear any restrictions at drive assembly and liner (see Section | |
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| Release gun trigger and allow gun and motor protection circuitry to reset. | |
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| Have Factory Authorized Service Agent check drive motor. | |
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D. Engine |
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Trouble | Remedy | |
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Engine will not crank (Electric Start Mod- | Check and replace ignition fuse (see engine manual) | |
els Only) |
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Check battery voltage. | ||
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| Check battery connections and tighten if necessary. | |
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| Have Factory Authorized Service Agent check engine ignition system. | |
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