TRANSTIG 200 Pi
SERVICE MANUAL
4-6
March 31, 2008
Feature
Description
Reduces the OCV when the power supply is not in use.
Eliminates the need for add on voltage reducers and has
no effect on arc starting.
VRD fully complies to AS 60974.1
When Stick mode is selected the green VRD light is ON
when not welding and red when welding.
When in TIG modes VRD is off.
For the selected weld parameter, rotating the knob
clockwise increases the parameter
Rotating the knob counterclockwise decreases the
parameter
A selected weld parameter value can be adjusted at any
time even while welding
Pushing the knob in displays actual arc voltage.
Self Diagnosis Using Error Codes
An error code is displayed on the
Digital Meter
when a
problem occurs with Primary supply voltage or internal
component problems. Refer to troubleshooting guide.
Voltage Reduction Device (VRD)
Control Knob
Table 4-6 (continued): Power Source Features