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 | TROUBLESHOOTING | 
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 | Observe all Safety Guidelines detailed throughout this manual | 
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 | Fault Codes | 
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 | 31 | Primary over current. | If condition persists | 
 | The machine needs to | ||||||
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 | be turned off and back | |||
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 | on to reset the machine. | |||
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 | 32 | CAP bank A under voltage. | Check input power | 
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 | 33 | CAP bank B under voltage. | reconnect to make sure | 
 | condition ceases. | ||||||
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 | 34 | CAP bank A over voltage. | the machine | 
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 | 35 | CAP bank B over voltage. | is connected for the input | 
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 | 37 | Soft start Failed. | power being supplied. | 
 | Cycle power. | ||||||
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 | 39 | Glitch on the primary over | Check the machine | 
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 | current fault interrupt; possibly | ground. | 
 | condition ceases. | |||||
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 | caused by noise or a signal level | If problem persists | 
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 | (misc. hardware fault #1) | contact an authorized | 
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 | 43 | CAP delta; CAP A and B are out | Check input power | 
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 | of balance. | reconnect to make sure | 
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 | the machine is | 
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 | connected for the input | 
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 | power being supplied. | 
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 | 44 | Main CPU problem. The DSP | Check the machine | 
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 | has detected a problem with the | ground. | 
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 | CPU. | 
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 | 47 | Glitch on the CAP/heart beat | If problem persists | 
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 | interrupt; possibly caused by | contact an authorized | 
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 | noise or a signal level right at | Lincoln Field Service | 
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 | the trip threshold. | Shop | 
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 | (misc. hardware fault #2) | 
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 | 48 | The main contactor opened | If condition persist | 
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 | unexpectedly. (misc. hardware | contact an authorized | 
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 | fault #3) | Lincoln Field Service | 
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 | "bad | The selected weld mode does | If condition persists | 
 | Press the Mode | ||||||
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 | node’ | not exist in the weld table that is | contact an authorized | 
 | Select button to | ||||||
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 | “####” | presently loaded in the machine. | Lincoln Field Service | 
 | select a different | ||||||
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 | Shop | 
 | mode | |||
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 CAUTION
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.
