Part No. 729-110-040 Rev. 1.41 | June 2016
© 2016 Nelson Stud Welding, Inc. All Rights Reserved.
24
4.1
Front Panel Controls & Displays
1
Time/Current Mode
Enables Time/Current weld parameter selection (As opposed to Stud
Expert mode)
2
Stud Expert Mode
Setup selection by stud diameter (As opposed to Time/Current mode)
3
Function Mode
Configuration Change or Troubleshooting
4
Up/Down Arrow Keys
Adjusts time or current
5
Lock/Unlock Keys
The unit has a lockout feature that prevents any changes from being made
to the front panel settings. See F19.
6
Preset Values
Factory presets or storage of custom values
7
On/Off Power Switch
The main switch controls the input power to the machine. Upon powering
up, the internal control software performs a series of diagnostic tests to
ensure correct connection and operation of the power source.
8
Weld Time/Stud Expert Display
The TIME setting is displayed on the front panel LOWER display. It can be
changed using the Up/Down arrow keys to the right of the current display
in one (1) amp increments.
9
Warning Alert
This indicator turns ON when a fault condition occurs. Please refer to F1 in
the troubleshooting section of this guide for fault condition descriptions
and resolution.
10
Weld Tool Icon
Graphical representation of gun operation and welding process.
See
diagram on the following page.
11
Weld Current/Stud Expert Display
The CURRENT setting is displayed on the front panel UPPER display. It
can be changed using the + and
– arrow keys to the right of the current
display in one (1) amp increments.
Summary of Contents for ArcCharger N550C DOMESTIC
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