TROUBLESHOOTING
0463 428 001
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© ESAB AB 2017
LED 1 and LED 2 – Software run level
LED 1 and LED 2 are used to indicate the current software run level of the cooler board. The
meanings of the different indications are explained in the table below.
LED 1
LED 2
Software run level
Off
Off
The cooling unit is not connected to the power source, i.e. there is
no supply voltage to the cooler board.
Green
Off
Application start up
Green
(fixed)
Green
(fixed)
Application running ok, Idle run state as in TIG mode
Green
(1 Hz flash)
Green
(1 Hz flash) Application running ok, Interactive run state, i.e. the user may
interact with the equipment, As in MMA mode
Green
(3 Hz flash)
Green
(3 Hz flash)
Application running ok, Processing run state
Red
Green
Application error (recoverable)
Red
Red
Application error (non-recoverable). Power off or reset is required.
Red
Off
Application in test or debug mode
Green
Red
Application shut down
