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Step 3: Switch ON the Maintenance Bypass Breaker as shown below.
Step 4: Switch OFF the Main Breaker (Q1) as shown below.
Step 5: It is possible to change the PCBA of STS and Power Module.
3.3.3.2 Transfer to UPS Protection
Step 1: Make sure the maintenance is complete. The Power Modules have been installed well.
Step 2: Switch ON the Main Breaker (Q1) as shown below.
Step 3: Please enter LCD SETUP MENU and choose “SYSTEM” to ensure that the “Bypass mode” is
enabled. If the “Bypass mode” is disabled, you have to set it enabled. Then, exit the SETUP menu
and check if the UPS operates in bypass mode.