Chapter 2 Analog Input Module AS04/08AD-A (6) The channel detection settings 2_ 2.4 Troubleshooting 2.4.1 Error Codes 2-33 Error A D LED ERROR LED Description Code Indicator Indicator 16#1605 Hardware failure OFF ON 16#1607 The external voltage is abnormal. OFF ON 16#1608 The factory calibration is abnormal. OFF ON 16#1801 The external voltage is abnormal. OFF Blinking 16#1802 Hardware failure OFF Blinking 16#1804 The factory calibration is abnormal. OFF Blinking 16#1808 The signal received by channel 1 exceeds the range of inputs that the hardware can receive. Run: blinking Stop:
OFF Blinking 16#1809 The signal received by channel 2 exceeds the range of inputs that the hardware can receive. 16#180A The signal received by channel 3 exceeds the range of inputs that the hardware can receive. 16#180B The signal received by channel 4 exceeds the range of inputs that the hardware can receive.