| TROUBLESHOOTING | ||||
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| Observe all Safety Guidelines detailed throughout this manual |
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| STATUS BOARD INDICATORS |
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| SYMPTOM |
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| CHECK |
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Machine is unresponsive immediately after | 1. | There is a 4 second soft start period for | |||
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| ter capacitors. Wait until that time is up. The Power LED will light | |||
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| when ready. If not, refer to the first part of this section. |
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The Air Low LED is lit |
| 1. | Make sure there is at least 80 psi connected to the gas connec- | ||
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| tion at the back of the machine. |
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| 2. | Press the Purge button and set the regulator to 70 psi (75 psi for | |
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| a 50 ft. torch). The pressure may increase when air stops flowing | |
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| but this is normal. Do not reset the pressure while the air is OFF. | |
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| 3. | Possible faulty Pressure Switch. |
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| 4. | Possible faulty Control board. |
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The Safety LED is flashing |
| 1. | Make sure there is a Lincoln torch and cable assembly connect- | ||
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| ed properly to the |
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| 2. | Check consumables for proper installation or excessive wear. | |
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| Replace if excessively worn. If not, use a piece of fine emery | |
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| cloth to remove any oxide buildup on the tip of the electrode. |
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The Safety LED is lit and steady |
| 1. | Press the Reset button. If torch and consumables are properly | ||
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| installed, the Safety LED should turn off. Normal cutting or goug- | |
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| ing can resume. |
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The Thermal LED is lit |
| 1. | The machine's thermostat has tripped due to exceeded duty | ||
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| cycle limits. Do NOT turn the power off. Allow the machine to | |
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| cool for 15 - 30 minutes and the thermostat will reset itself. |
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| 2. | The machine's air louvers or fans are obstructed such that air | |
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| cannot flow to properly cool the machine. Remove any foreign | |
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| material that may block air flow. Blow the machine out with a | |
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| clean, dry air stream. |
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| 3. | Possible faulty Control board. |
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The “Ready”, “Air Low” and “Thermal” LED’s | 1. | This is typically caused by connecting the auxiliary transformer | |||
are flashing |
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| input tap to the wrong voltage. Turn machine OFF and change | ||
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| lead to correct input voltage at reconnect panel. |
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| 2. | Possible faulty Control P. C. Board. |
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