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Section 3
POWeR UP
If "Unit Detected Fault" is displayed on the first line, the unit had detected some fault and shut itself down since the last time
it was turned on. In the unlikely case that this ever happens, please consult your distributor or the factory.
When self test ends, the display will automatically show the home screen (the Normal Operate or Auto Weld screen
depending in which mode the unit was left). Any values in main current or main time are saved from the last time the welder
was used. Note: values are ONLY saved after a weld is made or the home button is pressed.
Rotary Knobs
The rotary knobs have an acceleration feature built into them. As you turn the knobs faster, the values change by
greater amounts. When you turn the knobs slower, the values change by small amounts. For example, you would like to
set the welder to 1000 amps, but the display is showing 50 amps. By turning the knob quickly the display will jump in large
steps towards 1000 amps. As the display value gets close to 1000 amps, turn the knob slowly to dial the exact value.
WeLD SeTTINGS
Recommended Power Supply Current & Time Settings
The top rotary knob adjusts the data on the second line on the screen. In the Normal Operate screen the knob
would adjust the main weld current. Clockwise rotation increases weld current and counter clockwise rotation decreases
weld current. The bottom Rotary Knob adjusts the main weld time. Like the current, turning the knob clockwise increases
the main weld time.
Stud Size
Current
1/4
350 A
5/16
420 A
3/8
530 A
1/2
800 A
5/8
1000 A
3/4
1325 A
7/8
1680 A
1
2000 A
Stud Weld Tool Settings
The time & current setting in the previous section will vary with the stud weld tool's lift and plunge settings. Typical
values are 3/32" for weld tool lift and 1/8" for weld tool plunge. For this power supply, stud lift is recommended to be at
3/32".
Press (to the right or towards the 1) and momentarily hold the power switch,
located on the lower left side of the control panel.
The power supply initiates a self test. This test lasts approximately 5 seconds.
During this test routine none of the welders's functions, including welding, will
operate. This is normal. The test will verify system RAM and system ROM. At
the end of the test it will display OK if all functions check out. If the system has
a malfunction, the display will show a failure and the system will not operate.
During the self test all system LEDs will light so the operator can verify that the
LEDs are working. Note: your screen may be slightly different.
Time
.250 sec
.310 sec
.380 sec
.500 sec
.680 sec
.750 sec
.830 sec
.870 sec
Normal
Stud Size
Current
6mm
350 A
8mm
420 A
10 mm
580 A
12 mm
720 A
14 mm
880 A
16 mm
1040 A
20 mm
1440 A
24 mm
1900 A
1
Operation
Time
.250 sec
.310 sec
.430 sec
.500 sec
.590 sec
.660 sec
.780 sec
.850 sec
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