Lincoln Electric 50448 Service Manual page 40

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Error
Table 20 Interface Components
Table 21 shows list of basic errors that can appear. To get full list of error codes, please contact with authorize Lincoln Electric service.
Table 21 Error codes
Error code
Symptoms
Power source is not
6
connected.
The machine has shut
down because it has
overheated.
36
Motor overload, long
term.
81
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.
Figure 75
Cause
The User Interface cannot seem
to communicate with the Power
Source.
System detected a temperature
level beyond the normal system
operating limit.
The wire drive motor has
overheated. Check that the
electrode slides easily through
the gun and cable.
WARNING
Interface description
51. Error code
52. Error description.
Recommended Course of Action
Check cable connections between the power
source and the user interface.
Be sure process does not exceed duty cycle
limit of the machine.
Check the setup for proper air flow around
and through the system.
Check that the system has been properly
maintained,
including
accumulated dust and dirt from the intake
and outlet louvers.
User
interface
show
information
machine will be cooled down. To continue
welding operation Please press left knob
or start welding operation by the torch
trigger.
Remove tight bends from the gun and cable.
Check that the spindle brake is not too tight.
Verify the adequacy of the electrode to the
welding process.
Verify a high quality electrode is being used.
Check drive rolls alignment and gears.
Wait for the error to reset and the motor to
cool (approximately 1 minute).
removal
of
when

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