Lincoln Electric LF 52D Operator's Manual page 9

WARNING
Be sure that wire spool case has to be completely closed
during welding.
15. Spool with Wire: Not supplied as standard.
16. Wire Drive: 4-rolls wire drive.
WARNING
The wire drive door and wire spool case have to be
completely closed during welding.
WARNING
Not use handle to move the machine during work.
User Interface
The LF 52D wire feeder uses the U22 interface based on
two separate LED displays for operation.
Interface U22
17
32
31
30
29 28
27
Figure 4
17. Left Display: Shows wire feed speed or welding
current. During welding shows the actual welding
current value.
18. Status LED: A two color light that indicates system
errors. Normal operation is steady green light. Error
conditions are indicated, per Table 1.
Note: The status light will flash green for up to one
minute when the machine is turned on for the first time.
When the power source is powered it can take as long
as up to 60 seconds for the machine to be ready to weld.
This is a normal situation as the machine goes through
the initialization.
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18 19
20
21
26 25
Table 1
LED Light
Condition
Steady Green
Blinking Green Occurs during power up or a system
Alternating Green
and Red
22
23
24
Steady Red
19. Thermal Overload Indicator: It indicates that the
machine is overloaded or that the cooling is not
sufficient.
20. Right Display: Depending on the source welding and
the welding program shows the welding voltage in
volts or Trim value. During welding shows the actual
welding voltage value.
21. LED Indicator: Informs that the value on the right
display is in volts unit and during welding, it blinks
and the display shows the measured voltage.
22. LED Indicator: Informs that the value on the right
display is Trim. Trim is adjustable from 0.50 to 1.50.
1.00 is the nominal setting.
23. Right Control: Adjusts values on the right display.
24. LED Indicator: Quick Access Menu.
7
Meaning
Only machines which using
protocol for communication
Power source is operational, and is
communicating normally
healthy peripheral equipment.
reset, and indicates the power source
is mapping (identifying)
component connect to the system.
This behavior occurs for first after
power is turned on, or if the system
configuration is changed
operation.
If the status lights are flashing any
combination of red and green color, it
means that errors are present in the
power source.
Each digit of the code corresponds to
the number of red flashes of the
indicator lamp.
Individual code digits are flashed in
red with a long pause between digits.
If more than one code is present, the
codes will be separated by green
light. Read the error code before the
machine is turned off.
To clear the errors try to turn off the
machine and wait for a few seconds,
then turn on again. If the error
remains, a it maintenance is required.
Please contact the
authorized technical service center or
Lincoln Electric and report the error
code.
Indicate no communication between
the power source and device which
has been connected to this power
source.
with all
each
during
nearest
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