6 Description of M201 control
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6.4 Signal lamps for error messages
These signal lamps show the user operating errors or faults in the welding torch or in the machine.
6.4.1 Error message “too much/ too little” welding power pre-selected
If the welding power pre-selected on the step switch is too high or too low for the welding wire
diameter, the type of material and the gas type chosen the corresponding warning lamp lights up.
Errors are only reported once the torch trigger has been pressed !
It is still possible to weld despite the error message!
Signal lamp
Step switch
Signal lamp lights:
Welding power too high
Set step switch lower
Signal lamp
Step switch
Signal lamp lights:
Welding power too low
Set step switch higher
6.4.2 Error message “No programme available”
If no programme is available in the M201 control for the selected welding parameter combination
(welding wire diameter, type of material and gas) then the lamps flash simultaneously.
Welding is not possible!
For selected welding
parameter
combination
Signal lamps
no programme is
available
flash simultaneously
6.4.2.1 Short-circuit when the machine is switched on
Both LEDs light brightly and blink briefly. "Welding is impossible".
Remove the torch from the workpiece. LEDs no longer blink.
6.4.2.2 Short-circuit at the first welding operation
Both LEDs blink briefly and rapidly, "welding is impossible". When the torch trigger is pressed, both
LEDs light blink 6x in succession alternately.
6.4.2.3 Short-circuit in any welding operation (contact ignition)
Both LEDs blink briefly and rapidly. However, the machine can weld normally. (The values from the
previous welding operations are accepted.) The LEDs extinguish as soon as the torch trigger is
pressed.
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