TROUBLESHOOTING | ||
|
|
|
| Observe all Safety Guidelines detailed throughout this manual |
|
|
|
|
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
No auxiliary power from the GFCI | 1. GFCI Receptacle may have |
receptacle. | tripped. Follow “GFCI |
| Receptacle Testing and |
| Resetting Procedure” in the |
| MAINTENANCE section of this |
| manual. |
|
|
Engine will not go to high idle when | 1. | GFCI may be |
|
using auxiliary power. | 2. | No voltage signal from the |
|
|
| current sensor. |
|
| 3. | Auxiliary power load less than |
|
|
| 100 to 150 watts. |
|
| 4. | Faulty P.C. Board. |
|
No welder output power. | 1. | Open in miscellaneous leads. |
|
| 2. | Open lead in flashing or field |
|
|
| circuit. |
|
| 3. | Faulty rotor. |
|
| 4. | Faulty Potentiometer (R1). |
|
| 5. | Faulty stator Field winding. |
|
| 6. | Faulty Field rectifier (D2). |
|
| 7. | Faulty P.C. Board. |
|
|
|
|
|
Engine will not idle down to low | 1. | Idler switch on High Idle. |
|
speed. | 2. | Insufficient voltage present |
|
|
| between terminals #213 and |
|
|
| #5E. (Voltage should be 12V |
|
|
| DC). |
|
| 3. | External load on welder or |
|
|
| auxiliary power. |
|
| 4. | Faulty wiring in solenoid circuit. |
|
| 5. | Faulty idler solenoid. |
|
| 6. | Faulty P.C. Board. |
|
Engine will not go to high idle when | 1. | Poor work lead connection to |
|
attempting to weld. |
| work. |
|
| 2. | No voltage signal from the |
|
|
| current sensor. |
|
| 3. | No open circuit voltage on |
|
|
| output studs. |
|
| 4. | Faulty P.C. Board. |
|
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.