5 Locate the RTC battery holder on the I/O PCB, and remove the protective insulation
strip by gently pulling it.
6 Reattach the front cover, the power cover, and the keypad back onto the inverter body
7 For detailed information on the RTC battery, refer to the battery specifications on page
538.
Ensure that the inverter is turned off and DC link voltage has dropped to a safe level before
opening the terminal cover and installing the RTC battery.