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 shuts down while under a | 1. High radiator coolant tempera- |
load. | ture. Reduce load if it is exceed- |
| ing machine rating. Add coolant |
| to system if low. Clean fins on |
| radiator if dirty. Tighten fan belt if |
| loose. Remove objects blocking |
| or close to intake openings on |
| both sides of base and exhaust |
| end (case back). |
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Engine runs rough. | 1. Dirty fuel or air filters. Inspect and |
| clean/replace filters as needed. |
| Inspect and clean/replace filters |
| as needed. |
| 2. Water in fuel. If water found in |
| tank. Empty fuel tank and refill |
| then purge fuel lines. |
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Battery does not stay charged. | 1. Faulty battery. Replace. |
Engine alternator trouble light is on | 2. Loose connections at battery or |
while machine is running. | alternator. Clean and tighten con- |
| nections. |
| 3. Faulty engine alternator or charg- |
| er module. Consult authorized |
| Engine Service Shop. |
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Engine will not idle down to low | 1. Idler switch in High idle position. |
speed. | Set switch to Auto. |
| 2. External load on welder or auxil- |
| iary power. Remove all external |
| loads. |
| 3. Faulty PC board or idler sole- |
| noid. |
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Engine will not go to high idle when | 1. Poor work lead connection to |
attempting to weld. | work. Make sure work clamp is |
| tightly connected to clean base |
| metal. |
| 2. "Contactor" switch is in wrong |
| position. Set to "Welding On" when |
| welding without a control cable. |
| Refer to Operations chapter for prop- |
| er use of this switch. |
| 3. Faulty PC board. Low idle speed |
| set to low. |
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If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
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.