59
LED indicator for PWM start
LED indicator +5V
Must stay lit for as long as
the machine is switched on
LED indicator +10V
Must stay lit for as long as
the machine is switched on
LED indicator +15V
Must stay lit for as long as
the machine is switched on
LED indicator -15V
Must stay lit for as long as
the machine is switched on
COMMAND VALUE FOR WELDING CURRENT
The higher the command value, the brighter
the LED indicator
RELAY for potential-free
switchover contact
(not fitted as standard, i.e. is optional)
SLIDING SWITCH %/Abs. for
start arc and crater-fill current
LED indicator for EMERGENCY STOP
lights up for as long as the external
emergency-stop function is actuated.
(Optional)
CURRENT FLOW SIGNAL
LED indicator lights up when
welding current is flowing
LED indicator for
SHIELDING GAS - On
LED indicator for
HIGH FREQUENCY - Active
LED indicator for TORCH TRIGGER 1
lights up when trigger is pulled back
and held
LED indicator for TORCH TRIGGER 2
lights up when trigger is pushed forward
and held
Fig. 53 LED checklist for TC 3 control unit
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