Chapter 5 Maintenance and Inspection 5.2.1 Tools Required for Inspection A screwdriver Industrial alcohol A clean cotton cloth 5.2.2 Daily Inspection 5_ * Please refer to AH500 Module Manual for more information related to the LED indicators on the extension modules. 5-3 No. Item Inspection Criterion Corrective Action 1 Appearance Visual inspection Dirt must not be present. Remove the dirt. 2 Installation of a backplane Check whether the set screws are loose. The backplane must be installed firmly. Further tighten the screws. Check whether the backplane is installed on the DIN rail properly. Install the backplane on the DIN rail properly.
3 Installation of a module Check whether the module is loose, the projection is inserted into the hole on the backplane, and the screw is tightened. The hook under the module must be inserted into the hole in the backplane, and the screw must be tightened. Install the module firmly. 4 Connection Check whether the removable terminal block is loose. The removable terminal block should be tight. Install the terminal block firmly. Check whether the connector is loose. The connector should be tight. Further tighten the screws on the connector. 5 Power supply module POWER LED indicator Check whether the POWER LED indicator is ON. The POWER LED indicator must be ON.
Please refer to AH Motion Controller – Operation Manual for more information regarding troubleshooting and error logs. CPU module RUN LED indicator When the CPU module is running, check whether the RUN LED is ON. The RUN LED indicator must be ON. ERROR LED indicator Check whether the ERROR LED indicator is OFF. The ERROR LED indicator must be OFF. BUS FAULT LED indicator Check whether the BUS FAULT LED indicator is OFF. The BUS FAULT LED indicator must be OFF. SYSTEM LED indicator Check whether the SYSTEM LED indicator is OFF. The SYSTEM LED indicator must be OFF. LED indicators on an extension module Check whether the LED indicators on the extension module are ON.
If the LED indicators are ON, the module operates normally.