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
Engine will not go to high idle when | 1. | Auxiliary power load is less than |
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using auxiliary power. |
| 100 watts. Idler may not respond |
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| with less than a 100 watt load. |
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| Set idler to "High". |
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| 2. | Faulty PC board.(Control or Idler). |
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Engine will not go to high idle | 1. | Faulty idler solenoid. Check for |
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under weld or auxiliary loading. |
| bent linkage or broken spring. |
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| 2. | Faulty PC board.(Control or Idler). |
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Engine does not develop full | 1. | Fuel filter clogged, Replace. |
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power. Engine runs rough. | 2. | Air filter clogged, clean or |
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| replace. |
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| 3. High idle setting incorrect, check |
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| and adjust if required. |
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| 4. | Valves out of adjustment. |
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| 5. | Fuel contaminated with water or |
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| sediment. Check fuel |
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| and empty of water, bleed fuel |
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| system. Replace fuel in tank if |
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| needed. |
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| If all recommended possible | areas |
Engine will not go to high idle when | 1. | Broken spring on Idle Solenoid, | ||
attempting to weld or using auxil- |
| solenoid linkage binding, Faulty | of misadjustment have | been |
iary power. Switching to manual |
| PC board (Control or Idler), low | checked and the problem persists, | |
high idle does not work. |
| idle speed set too low on idle | Contact your local Lincoln | |
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| solenoid. | Authorized Field Service Facility. | |
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Engine will not shut off. | 1. | Fuel Shutdown solenoid not func- |
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| tioning properly / linkage binding. |
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| Stop engine by shutting off valve |
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| located on main fuel filter . |
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| Contact authorized local Engine |
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| Service Shop. |
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Engine does not develop full power. | 1. Fuel filter dirty/clogged. Replace. |
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Low weld and auxiliary output . | 2. Air filter dirty/clogged. Replace Air |
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Engine runs rough. |
| Filter Element. |
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| 3. Fouled fuel injector(s). Contact |
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| authorized Engine Service Shop. |
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| 4. Fuel contaminated with water. |
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| Check water separator for water. |
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| Clean and replace as needed. |
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| Replace fuel in tank. |
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| 5. Cracked or loose fuel hose . |
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| Replace hose and tighten clamps. |
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| 6. Valves out of adjustment. Contact |
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| authorized local Engine Service |
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| 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.
VANTAGE® 400 (AU)
