SECTION 5 – MAINTENANCE & TROUBLESHOOTING
5-1. Routine Maintenance
YDisconnect power before maintaining.
3 Months
Replace
Unreadable
Labels
Repair Or
Replace
Cracked
Weld Cable
Clean And
Tighten
Weld
Terminals
Replace
Cracked
Parts
Gun Cable | Gas Hose |
6 Months
Clean
Drive
Rolls
Blow Out Or Vacuum
ORInside,
During Heavy Service,
Clean Monthly
5-2. Troubleshooting
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No weld output; unit completely |
| Place line disconnect switch in On position (see welding power source owner’s manual). | ||
inoperative. |
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| Check and replace line fuse(s), if necessary, or reset circuit breaker (see welding power source |
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| Check for proper input power connections (see welding power source owner’s manual). |
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| Check for proper jumper link position (see welding power source owner’s manual). |
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No weld output; Power switch pilot |
| Check, repair, or replace feeder (see welding power source owner’s manual). | ||
light on. |
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| Unit overheated. Allow unit to cool with fan On (see welding power source owner’s manual). |
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| Have Factory Authorized Service Agent check control board PC1 and/or motor drive board PC2. |
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Unit provides only maximum or |
| Have Factory Authorized Service Agent check control board PC1, motor drive board PC2 and Hall | ||
minimum weld output. |
| Device HD1. | ||
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Erratic or improper weld output. |
| Use proper size and type of weld cable (see welding power source owner’s manual). | ||
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| Clean and tighten all weld connections. |
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| Check wire feeder installation (see Section |
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| Use proper tap on stabilizer (see welding power source owner’s manual). |
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| Have Factory Authorized Service Agent check control board PC1, motor drive board PC2 and/or |
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| SCR in main rectifier. |
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No 115 volts ac output at duplex re- |
| Reset circuit breaker CB1 (see welding power source owner’s manual). | ||
ceptacle. |
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