Ch ap te r 2 Ana lo g In pu t Module AH04 AD /AH0 8AD2 - 3 3ErrorCode Type Description RUN LEDindicatorERRORLEDindicator16#A805 Warning The signal received by channel 5 exceeds the rangeof inputs which can be received by the hardware. ON OFF16#A806 Warning The signal received by channel 6 exceeds the rangeof inputs which can be received by the hardware. ON OFF16#A807 Warning The signal received by channel 7 exceeds the rangeof inputs which can be received by the hardware. ON OFF2.5.2 Troubleshooting ProcedureDescription ProcedureHardware failure Return the module to the factory for repair.The external voltage is abnormal. Check whether the external 24 V power supply tothe module is normal.Internal errorThe factory correction is abnormal. Please contact the factory.The signal received by channel 0 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 0.The signal received by channel 1 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 1The signal received by channel 2 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 2.The signal received by channel 3 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 3.The signal received by channel 4 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 4.The signal received by channel 5 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 5.The signal received by channel 6 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 6.The signal received by channel 7 exceedsthe range of inputs which can be receivedby the hardware.Check the signal received by channel 7.
