AH500 Programming Manual 7-28 LED indicator status Error Description CPU MODULE code BUS FAULT ERROR 16#A0F5 The node address of AH10COPM-5A is set incorrectly. Blinking OFF 16#A0F6 Internal error: An error occurs in the manufacturing process in the factory. Blinking OFF 16#A0F7 Internal error: GPIO error Blinking OFF 16#A0F8 Hardware error Blinking OFF 16#A0F9 Low voltage Blinking OFF 16#A0FA An error occurs in the firmware of AH10COPM-5A. Blinking OFF 16#A0FB The transmission registers in AH10COPM-5A are full. Blinking OFF 16#A0FC The reception registers in AH10COPM-5A are full. Blinking OFF