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LED checklist
(continued)
LED BUS OK .................. flashes when connection with Bus master (power source) is OK
LED FLEX OK ................ flashes when there is no fault
LED µP OK..................... flashes when the processor is working
LED BRT ........................ flashes when the torch trigger is pressed
LED + 55 V..................... flashes when the supply voltage is OK
LED + 24 V..................... flashes when the supply voltage is OK
LED + 15 V..................... flashes when the supply voltage is OK
LED + 5 V.......................flashes when the supply voltage is OK
LED forwards .................. flashes when the wire is moved forwards by the drive unit motor
LED backwards ............... flashes when the wire is moved backwards by the drive unit
motor
LED Gas ........................ flashes when the gas solenoid valve is activated
Measuring points There are no measuring points for checking the SR 41 PC board. Checking can only be
done by referring to the LED indicators.
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