Owner`s manual

OM-263 706 Page 14
SECTION 5 − OPERATION
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5-1. Controls (STi 270 Model Shown)
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1 Voltage/Amperage Selector Switch
Use switch to display welding voltage or
welding amperage.
2 Power On Pilot Light
3 High Temperature Indicator Light
Light comes on if unit overheats. Welding
can resume when unit has cooled (see Sec-
tion 3-5).
4 Ammeter/Voltage Display (Meter)
Meter displays actual amperage/voltage
while welding.
5 Output Voltage Indicator Light
When lit indicates the absence of output volt-
age (TIG mode), or the presence of 12 volts
DC with active VRD function (Stick mode).
6 Input Line Voltage Error Indicator Light
When lit and emitting a continuous beep sig-
nal, indicates an out of range input voltage
condition.
A flashing LED and continuous beep signal
indicates an input line phase loss.
A flashing LED and intermittent beep signal
indicates a loss of one or more command sig-
nals.
7 Process Control
See Section 5-4.
8 VRD Switch (STi 270 Models)
Press and release switch to select or disable
VRD (voltage reduction device).
9a CELL/VRD Switch (STi 270C Models)
Press and release switch to select (I) or (O)
to disable Cell function. When Cell function is
disabled, VRD is enabled.
9 Parameter Selector Switch
Press and release switch to scroll through
sequencer parameters.
10 Negative Weld Output Receptacle
11 Positive Weld Output Receptacle
12 Amperage/Parameter Adjustment
Control
See Section 5-7.
13 Amperage Indicator Light
See Section 5-7.
14 Arc Force Indicator Light
Is lit when Arc Force is active.
15 Hot Start Indicator Light
Is lit when Hot Start is active.
16 Input Power Cord
17 Power Switch
Use switch to turn unit On/Off.
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