11 LED Indicator on Each Circuit BoardFS100 11.3 7 SEG-LED Indicator on Machine Safety Board (SF2300)11-711.3 7 SEG-LED Indicator on Machine Safety Board (SF2300)SF2300 board indicates its operation status with LED indicator.Indication LED Color Board Status when LED is litPWR Green When the control power is turned ON.ALM Red Error is being detectedHWBB1 Green CH1 side HWBB is in operationHWBB2 Green CH2 side HWBB is in operationCN1CN2CN3CN4CN5CN6PBESPPPESPDSWSAFFONENEXESPESPOUTDSWOUTHWBB1EDM1HWBB2EDM2OT1OT2+24VPWRALMHWBB1HWBB2