2.2 Enabling the RTC (Real-Time Clock) Battery
The H100 series inverter comes from the factory with a CR2032 lithium-manganese battery
pre-installed on the I/O PCB. The battery powers the inverter‘s built-in RTC. The battery is
installed with a protective insulation strip to prevent battery discharge; remove this
protective film before installing and using the inverter.
ESD (Electrostatic discharge) from the human body may damage sensitive electronic
components on the PCB. Therefore, be extremely careful not to touch the PCB or the
components on the PCB with bare hands while you work on the I/O PCB.
To prevent damage to the PCB from ESD, touch a metal object with your hands to discharge
any electricity before working on the PCB, or wear an anti-static wrist strap and ground it on a
metal object.
Follow the instructions below to remove the protective insulation strip and enable the RTC
feature on the H100 series inverters.
1 Turn off the inverter and make sure that DC link voltage has dropped to a safe level.
2 Loosen the screw on the power cover then remove the power cover.
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