TROUbLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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USING THE STATUS LED TO TROUbLESHOOT SYSTEM PRObLEMS
Errors are displayed on the user interface. In addition, there are status lights on the control pc board and the switch pc board that contain error sequences.
Included in this section is information about the Status Lights and some basic troubleshooting charts for both machine and weld performance.
The status lights on the main control board and the switch pc board are
Error Codes for the FLEXTEC™ 450 CE
Error | Description | Corrective Action |
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Code# |
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21 | Internal Control Board Error. | Cycle power to the machine. | Machine needs to be turned off |
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24 |
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| and back on to reset. |
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716 |
| If condition persists contact an authorized |
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718 |
| Lincoln Field Service Shop. |
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31 | Primary Over Current. | Check the input power (voltage and frequency). | Machine needs to be turned off |
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| Verify the primary reconnect is properly config- | and back on to reset. |
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| ured for the input voltage. |
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| If condition persists contact an authorized |
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| Lincoln Field Service Shop. |
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45 | VRD™ Voltage limit exceded. | If condition persists contact an authorized | Machine needs to be turned off |
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| Lincoln Field Service Shop. | and back on to reset. |
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711 | CAP bank | If condition persists contact an authorized | Machine needs to be turned off |
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| voltage. | Lincoln Field Service Shop. | and back on to reset. |
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712 | Communication or Switch Board | If condition persists contact an authorized | Weld Terminals Remote: Re- |
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| Fatal. | Lincoln Field Service Shop. | trigger to recover from error. |
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| Weld Terminals Local: Toggle |
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| Remote/Local Switch to recover |
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| from error. |
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713 | Input Power Misconnect – Supply | Verify the input supply voltage to the machine is | Machine needs to be turned off |
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| Voltage too High. | within rated specifications. | and back on to reset. |
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714 | Input Power Misconnect – Supply | Verify the input supply voltage to the machine is | Machine needs to be turned off |
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| Voltage too Low. | within rated specifications. | and back on to reset. |
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715 | Switchboard | Verify input voltage level. | Machine needs to be turned off |
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| Out. |
| and back on to reset. |
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| If condition persists contact an authorized |
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| Lincoln Field Service Shop. |
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717 | Control Board | Verify that the wiring to connector J5 on the | Machine needs to be turned off |
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| control board matches the machine wiring dia- | and back on to reset. |
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| gram. |
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| If condition persists contact an authorized |
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| Lincoln Field Service Shop. |
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719 | Internal Switchboard Error. | Cycle Power to the machine. | Machine needs to be turned off |
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| and back on to reset. |
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| If condition persists contact an authorized |
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| Lincoln Field Service Shop. |
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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.