Operating Instructions
Welding Guidelines (Continued)
Testing welder/generator diodes
The following method eliminates the need to disconnect the diodes from the welder/ generators wiring.
1.Use a 12 Volt battery and automotive lamp (Type 5001) to test the diodes in the welder/generators.
2.Connect the battery and lamp as shown in Figure 8.
3.If the diodes are operating properly, the lamp illuminates brightly when the battery polarity is correct, and goes dim when battery polarity is reversed.
4.If there is no change in lamp brightness when polarity is reversed, the diodes must
be replaced.
For testing of rotor, stator, or field windings, consult an authorized service center.
Lamp On
Lamp Off
Figure 8 - Diode Test Procedure
Troubleshooting Chart
General
| Symptom | Possible Cause(s) | Corrective Action |
| ||
| Engine will not | 1. | Engine switch is set to "OFF". | 1. | Set engine switch to "ON". |
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| start | 2. | Fuel valve is turned to "CLOSE". | 2. | Turn fuel valve to "OPEN" position. |
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| 3. | Choke is open. | 3. | Close the choke. |
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| 4. | Engine is out of gas. | 4. | Add gas. |
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| 5. | Engine is filled with contaminated or | 5. | Change the gas in the engine. |
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| old gas |
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| 6. | Spark plug is dirty. | 6. | Clean spark plug. |
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| 7. | Spark plug is broken. | 7. | Replace spark plug. |
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| 8. | Unit is not on level surface. | 8. | Move unit to a level surface to prevent low oil shutdown from triggering. |
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| 9. | Oil is low. | 9. | Add or replace oil. |
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| Engine runs | 1. | Circuit reset button is off. | 1. | Wait for 2 minutes and push the circuit reset button to the "ON" |
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| but there is no |
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| position. |
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| electrical output | 2. | Bad connecting of wires / cables. | 2. | If you are using an extension cord, use only |
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| cords that are specifically designed for outdoor use. Make sure the |
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| wattage rating for each cord exceeds the total wattage of all appliances |
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| connected to the unit. |
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| 3. | Bad electrical device connected to | 3. | Try connecting a different device. |
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| unit. |
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| Unit runs but does | 1. | Unit is overloaded | 1. | Turn off all electrical devices. Unplug all electrical devices. Turn off unit. |
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| not support all |
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| Wait several minutes. Restart unit. Try connecting fewer electrical loads |
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| electrical devices |
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| to the unit. |
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| connected. | 2. | Short in one of the connected devices. | 2. | Try disconnecting any faulty or |
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| 3. | Air cleaner is dirty. | 3. | Clean or replace air cleaner. |
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