7 | TROUBLESHOOTING & REPAIR | 7 |
|
|
|
| Observe all Safety Guidelines detailed throughout this manual |
|
PROBLEMS
(SYMPTOMS)
POSSIBLE CAUSES/REMEDIES
1. Load bank main power fails to | a. Main switch or circuit breaker is not closed. |
|
come on. |
|
|
| b. Unit is not connected according to the Schematic/Interconnection dia- |
|
| gram. |
|
| c. Terminals may be damaged. |
|
| d. Fuses may be blown. (Check and replace as required.) 1. |
|
| e. Fuse may be blown in load bank control circuit. (Check and replace as |
|
| required.) 1. |
|
| f. Dirty or loose connection at main power switch. |
|
|
|
|
2. Blower motor does not operate. | a. Main switch or circuit breaker may not be closed. |
|
| b. Power may not be connected to load bank blower circuit. |
|
| c. External power supply may be inadequate. |
|
| d. Control Circuit fuse may be blown. (Check and replace as required.) 1. |
|
| e. Main power switch may be faulty. |
|
| f. Check for loose or broken connections. |
|
|
|
|
1.When checking fuses for continuity, be sure to remove all fuses from clips (in fuse block or disconnect switch). Test each fuse individually, out of circuit.
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
MASTER LOAD 750