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