8-11. Troubleshooting
A. Welding – CC Models
Trouble | Remedy |
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No weld output; auxiliary power output | Check position of Ampere Range switch. |
okay. |
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| Check position of optional polarity switch. |
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| Place Amperage Adjust switch in Panel position, or place switch in Remote position and connect remote |
| control to Remote Amperage Adjust receptacle RC13 (see Sections |
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| Check and secure connections to Remote Amperage Adjust receptacle RC13 (see Section |
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| Check fuse F2, and replace if open (see Section |
| grated rectifier SR2 and the rotor. |
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| Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit. |
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No weld output or auxiliary power output. | Disconnect equipment from auxiliary power receptacles during |
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| Check fuses F1 and F2, and replace if open (see Section |
| check integrated rectifier SR1, capacitor C9, integrated rectifier SR2, and the rotor. |
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| Reset circuit breaker CB12. Have Factory Authorized Service Agent check diode D1 (see Section |
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| Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit. |
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Erratic weld output. | Check and tighten connections inside and outside unit. |
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| Be sure connection to work piece is clean and tight. |
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| Use dry, properly stored electrodes. |
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| Remove excessive coils from weld cables. |
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High weld output. | Check engine speed, and adjust if necessary. |
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| Have Factory Authorized Service Agent check OCV control circuit. |
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Low weld output. | Check engine speed, and adjust if necessary. |
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| Check fuses F1 and F2, and replace if open (see Section |
| check integrated rectifier SR1, capacitor C9, integrated rectifier SR2, and the rotor. |
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Electrode sticks to the workpiece more | Circuit breaker CB4 may be open. CB4 automatically resets when the fault is corrected (see Section |
frequently during low voltage (short arc | Have Factory Authorized Service Agent check transformer T1 and integrated rectifiers SR4 and SR5. |
length) conditions. |
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Low | Check engine speed, and adjust if necessary. |
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Maximum weld output only in each | Have Factory Authorized Service Agent check control relay CR7. |
ampere range (with Stick/TIG Selection |
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switch in Stick position). |
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No remote fine amperage control. | Place Amperage Adjust switch in correct position. |
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| Check and secure connections to Remote Amperage Adjust receptacle RC13 (see Section |
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| Reset circuit breaker CB11 (see Section |
| CR7. |
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| Repair or replace remote control device. |
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| Have Factory Authorized Service Agent check OCV control circuit. |
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