Lincoln Electric LF 52D Operator's Manual page 9

15. USB port (LF 56D only): For connecting the USB
memory and software updates.
16. Wire Spool Holder: For wire spool with maximum
16kg weight. Holder allows mounting plastic, steel
and fiber spools on the 51mm spindle.
WARNING
Be sure that wire spool case has to be completely closed
during welding.
17. Spool with wire: Not supplied as standard.
18. Wire drive: 4-rolls wire drive.
WARNING
The side panel and wire spool case have to be completely
closed during welding.
WARNING
Do not use handle to move the machine during operation.
See "Accessories" section.
LF 52D
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Figure 4
LF 56D
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Figure 5
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User Interface
Wire feeder LF 52D is based on a standard interface (U0)
with two separate LED displays, while the LF 56D is
based on a 7'' TFT display.
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19. Display:
20. Left Knob: Adjusts values on the left display.
21. Right Knob: Adjusts values on the right display.
22. Right Button: Enables scrolling, changing and setting
23. Left Button: Enables changing the welding process
24. Thermal Overload Indicator: It indicates that the
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25. Status Indicator: A two color light that indicates
The status light will flash green, and sometimes red and
green when the machine is first turned on. When the
power source is powered it can take as long as 60
seconds for the machine to be ready to weld. This is a
normal
initialization.
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Standard Interface (U0)
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Figure 6

Left display: Shows wire feed speed or welding
current. During welding shows the actual welding
current value.

Right display: Shows the welding voltage in volts
units or tuning value (Trim). During welding shows
the actual welding voltage value.
welding parameters. Quick access.
and shielding gas.
machine is overloaded or that the cooling is not
sufficient.
system errors. Normal operation is steady green
light. LED light conditions and their meanings are
described in Table 1.
WARNING
situation as the
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machine goes through
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