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TROUBLESHOOTING AND REPAIR | ||||
Observe Safety Guidelines detailed in the beginning of this manual. |
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PROBLEMS |
| POSSIBLE AREAS OF | RECOMMENDED |
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(SYMPTOMS) |
| MISADJUSTMENT(S) | COURSE OF ACTION |
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| OUTPUT PROBLEMS |
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The engine will not go to high |
| For code 10856 |
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idle when the idle switch is |
| The Idle switch may be |
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moved to the “High” position. |
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The idle system functions |
| defective, or the insulation on |
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normally while welding or using |
| Lead #234 may be damaged. |
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auxiliary power. The engine |
| For codes 11199 and 11408 |
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starts and shuts down normally. |
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| The idle switch may be |
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| defective, or there may be a |
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| faulty connection between the | |
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| PC board, the idle switch, and | |
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| the chassis ground connection. | |
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The engine will not go to high | Check that the welding cables | For Code 10856: |
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idle when striking an arc or when | and the auxiliary power lead | Wire #231 that connects the |
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using auxiliary power. The | connections are tight and in |
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engine goes to high idle, and the | good condition. | solenoid to the idle/engine |
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weld and auxiliary power are |
| protection PC board may be |
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normal when the idle switch is in |
| grounded. Check for damaged | ||
the “High Idle” position. The |
| insulation and improper |
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engine starts, runs, and shuts |
| connections. |
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down normally. |
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| The Idle/Engine Protection PC | |
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| board is probably faulty. |
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| For Codes 11199 and 11408: |
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| The Idle/Engine Protection PC | |
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| board is probably faulty. |
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The engine will not go to high | Check that the welding cables, | The 2 CR Reed Relay, or the |
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idle when striking an arc. The | electrode holder, and work | wiring that connects it to the PC | ||
automatic idle system functions | clamp are tight and in good | board and chassis ground may | ||
normally when using auxiliary | condition. | be faulty. The Reed relay |
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power. Weld and auxiliary | This may be normal operation if | should close when sufficient |
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power are normal when the idle | current is drawn from the weld | |||
switch is in the “High Idle” | the machine has a Constant | output terminals. |
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position. The engine starts, | Voltage adapter, and is |
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runs, and shuts down normally. | operating in CV mode. See the | The Idle/Engine Protection PC | ||
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| operator’s manual for the | board may be faulty. |
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| Constant Voltage Adapter. |
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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 the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call
