TROUBLESHOOTING | ||
|
|
|
| Observe all Safety Guidelines detailed throughout this manual |
|
|
|
|
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
No Status indicators light and the fan 1. Check the input power to be sure does not operate 5 seconds after the it is on.
power switch is turned on.
2. Check the power line fuses and machine connection.
3. Disconnect input power at fuse panel and check line switch conti- nuity. Replace line switch if bad.
4. Auxiliary transformer may be faulty.
No Status indicators light 5 seconds 1. Auxiliary transformer may be after the power switch is turned on, faulty.
but the fan operates.
2. Disconnect input power from the machine. Check that connectors on harness between Control Bd. and Display Bd. are properly seat- ed.
3. Possible faulty Control Board.
All Status indicators remain lit imme- 1. The microprocessor has experi-
diately after power up.enced a memory fault. Consult local Lincoln Field Service shop.
All Status indicators begin to blink 1. Turn power off. Make sure recon-
within 5 seconds after power up. nect is positioned correctly for the input voltage used. Wait at least 1 minute after power down before
If all recommended possible areas of misadjustment have been checked and the problem persists, Contact your local Lincoln Authorized Field Service Facility.
2.Possible faulty Primary board.
3.Possible faulty Control board.
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.