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TROUBLESHOOTING | ||
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| Observe all Safety Guidelines detailed throughout this manual |
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PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Gas purge key does not operate the | 1. The connector from the control |
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gas solenoid, but gas flow does |
| p.c. board to the display p.c. |
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occur while welding. |
| board or the connector from the |
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| display p.c. board to the keypad |
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| are loose or improperly inserted. |
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| 2. Damaged keypad |
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| 3. | Damaged display p.c. board. |
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| 4. | Damaged control p.c. board. |
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Pressing the current key does not | 1. One of the range selection LEDʼs |
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select between the peak and back- |
| is lit or in acceleration setting |
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ground current LEDʼs. |
| mode. |
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| 2. | The connector from the control |
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| p.c. board to the display p.c. |
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| board or the connector from the |
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| display p.c. board to the keypad |
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| are loose or improperly inserted. |
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| 3. Damaged keypad |
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| 4. | Damaged display p.c. board. |
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| 5. | Damaged control p.c. board. |
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Pressing the procedure key does | 1. The connector from the control | If all recommended possible areas | |
not select between A - Remote - B. |
| p.c. board to the display p.c. | of misadjustment have been |
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| board or the connector from the | checked and the problem persists, |
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| display p.c. board to the keypad | Contact your local Lincoln |
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| are loose or improperly inserted. | Authorized Field Service Facility. |
| 2. Damaged keypad |
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| 3. | Damaged display p.c. board. |
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| 4. | Damaged control p.c. board. |
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Pressing the range key has no | 1. Make sure that the DIP switches |
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effect while not welding. |
| on the control p.c. board are not |
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| set for security or range lockout |
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| mode. |
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| 2. | The connector from the control |
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| p.c. board to the display p.c. |
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| board or the connector from the |
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| display p.c. board to the keypad |
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| are loose or improperly inserted. |
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| 3. Damaged keypad |
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| 4. | Damaged display p.c. board. |
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| 5. | Damaged control p.c. board. |
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Gas solenoid not operating properly | 1. Inlet gas pressure exceeding 80 |
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or intermittent. |
| psi(5.5 bar). Verify that gas pres- |
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| sure regulator is operating prop- |
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| erly. |
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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