SECTION 11 − TROUBLESHOOTING
11-1. Troubleshooting Tables
A. Welding
Trouble | Remedy |
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No weld output; generator power output | Place Process/Contactor switch in a Weld Terminals Always On position, or place switch in a Remote |
okay at ac receptacles. | On/Off Switch Required position and connect remote contactor to Remote 14 receptacle RC14 (see Sec- |
| tions |
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| Check position of Ampere Range switch. |
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| Check position of optional Output Selector switch (see Section |
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| Reset supplementary protector CB11 (see Section |
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| Reset supplementary protector CB5 (see Section |
| RC14. |
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| Check and secure connections to Remote 14 receptacle RC14 (see Section |
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| Have Factory Authorized Service Agent check connector board PC6 and connections. |
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| Check fuse F2, and replace if open (see Section |
| brushes and slip rings, field excitation circuit, field current regulator board PC1, and the rotor. |
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No weld output or generator power | Disconnect equipment from generator power receptacles during |
output. |
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| Check fuses F1 and F2, and replace if open (see Section |
| check integrated rectifier SR1, capacitor C9, field current regulator board PC1, and the rotor. |
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| Reset supplementary protector CB12 (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 position of Ampere Range switch and Voltage/Amperage Adjust control. |
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| Check engine weld/power speed, and adjust if necessary (see Section |
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| Have Factory Authorized Service Agent check field current regulator board PC1. |
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Voltage/Amperage control does not | Place Ampere Range switch in lower range. Voltage/Amperage control does not work with Ampere |
work when welding in Stick mode. | Range switch in highest range. |
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Low weld output. | Check engine weld/power speed, and adjust if necessary (see Section |
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| Check fuses F1 and F2, and replace if open (see Section |
| check integrated rectifier SR1, capacitor C9, field current regulator board PC1, 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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| Have Factory Authorized Service Agent check optional battery charging relay CR7. |
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Low | Check engine weld/power speed, and adjust if necessary. |
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No remote fine amperage or voltage | Place Panel/Remote Switch in Remote position. |
control. |
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| Check and secure connections to Remote 14 receptacle RC14 (see Section |
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| Repair or replace remote control device. |
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