.A complete Parts List is available at www.MillerWelds.com
6-5. Troubleshooting
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Trouble | Remedy | |||
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No weld output; wire does not feed. | Be sure line disconnect switch is On (see Section | |||
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| Replace building line fuse or reset circuit breaker if open (see Section | ||
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| Secure gun trigger connections (see welding gun Owner’s Manual). | ||
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| HL.P 001 appears on meters. Turn power switch off and back on, if HL.P 001 appears on meters again, | ||
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| have Factory Authorized Service Agent check unit. | ||
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| HL.P 002 appears on meters. Thermistor T is detecting an overheating condition. Wait for unit to cool | ||
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| allowing the fan to run. After unit is cool, if HL.P 002 message remains, have Factory Authorized Service | ||
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| Agent check for an open Thermistor T (see Section | ||
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| HL.P 004 appears on meters. Reset message by releasing the trigger or removing stuck wire causing | ||
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| short circuit (see Section | ||
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| shorted trigger leads. | ||
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| Have Factory Authorized Service Agent check Power switch. | ||
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| Have Factory Authorized Service Agent check all board connections and main control board. | ||
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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 welding gun Owner’s Manual. | ||
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| HL.P 003 appears on meters, have Factory Authorized Service Agent check main control board and main | ||
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| rectifier. | ||
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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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| Check input voltage jumper links and correct position if necessary (see Section | ||
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| Have Factory Authorized Service Agent check main control board. | ||
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Fan motor does not run. | Have Factory Authorized Service Agent check | |||
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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 rolls (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 welding gun Owner’s Manual). | ||
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| Check position of input jumper links (see Section | ||
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| Have Factory Authorized Service Agent check main control board. | ||
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