Maintenance
Preparation Tools
Screwdriver, multi-meter, module front service tool, etc.
Module Front Service
Step 1: Rotate two rotation handles on module front service tool clockwise all the way.
Step 2: Place the front service tool onto the module tightly and rotate the two rotation handles
counterclockwise all the way.
Step 3: Hold the two handles on the tool and firmly pull the module out of its frame
Step 4: Take modules off and place them in a safe area, and then turn the two rotation handles
clockwise all the way.