To check the inverter's alarm history, perform the following steps:
- Press the "Enter" button to access Main Menu.
- Scroll down to "Advanced Info."
- Enter pass code "0-0-1-0" (press "Down-Down-Up-Down"), then press "Enter."
- Within the "Advanced Info" submenu, select the first option, "Alarm Message." This will display the 100 latest alarm messages, along with the date and time they occurred.
- Scroll through the alarm messages manually by pressing the UP/DOWN buttons. Press the ESC button to return to the previous menu.
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