TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
When the trigger is pulled air begins | 1. | Check the torch consumables to be |
to flow, but there is no pilot arc after |
| sure they are not dirty or greasy, |
at least 3 seconds. |
| and are in good shape. Replace |
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| the consumables if necessary. |
| 2. | Make sure the air pressure is set |
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| at 70 psi (75 psi for a 50 ft. torch). |
| 3. | Make sure there are no kinks or |
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| restrictions for air flow in the torch |
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| cable. Replace cable as needed. |
| 4. | If a slight thump cannot be felt in |
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| the torch when the trigger is |
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| pulled, check for loose connection |
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| in the torch head and solenoid |
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| assembly. |
| 5. | With machine turned off - input |
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| power removed, and torch and |
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| consumables connected - mea- |
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| sure resistance on Output Power |
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| board between B1 and B21. If |
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| >10Ω, possible fault in torch and |
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| cable assembly. |
| 6. | Possible fault in Output board. |
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The air begins to flow and there is a | 1. | Check the torch consumables to |
very brief arc that snaps out consis- |
| be sure they are in tight, not dirty |
tently with repeated trigger pulls. |
| or greasy and in good shape. |
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| Replace if necessary. |
| 2. | Make sure the air pressure is set |
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| at 70 psi (75 psi for a 50 ft. torch). |
| 3. | Possible fault in Output Power board. |
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The arc starts but sputters badly. | 1. Check the torch consumables to be | |
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| sure they are in tight, not dirty or |
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| greasy and in good shape. Replace |
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| if necessary. |
| 2. Check air supply for oil or a great | |
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| deal of water. If there is oil or a |
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| great deal of water, the air must be |
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| filtered or the machine switched to |
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| nitrogen or bottled air. |
| 3. Make sure the air pressure is set at | |
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| 70 psi. |
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If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
