Lincoln Electric LF 52D Operator's Manual page 40

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.
English
Figure 75
Cause
The User Interface cannot seem to
communicate with the
Source.
System detected a temperature
level beyond the normal system
operating limit.
The wire drive motor
overheated. Check
electrode slides easily through the
gun and cable.
WARNING
38
51. Error code
52. Error description.
Recommended Course of Action

Check cable connections between the
Power
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,
accumulated dust and dirt from the intake
and outlet louvers.

User interface show information when
machine will be cooled down. To continue
welding operation Please press left knob
or start welding operation by the torch
trigger.
has

Remove tight bends from the gun and
that the
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).
Interface description
including removal
English
of