SMA SB 2000HF-30 Installation - Manual (Page 55)

SMA Solar Technology AG Commissioning
Installation Manual SB20HF-30HF-IA-en-32 55
Maximum frequency
The maximum frequency test follows the undervoltage test
and the inverter issues the adjacent display message for
5 seconds.
During the test sequence, the frequency limit applied is
shown in the display of the inverter. The frequency limit is
reduced successively until the shut‑down threshold is
reached and the inverter disconnects from the power
distribution grid.
Once the inverter has disconnected from the power distribution grid, the display successively shows
each of the following values one after the other for 10 seconds:
• Disconnection value,
• Calibration value,
• Reaction time.
The change between the first and second display takes places every 2.5 seconds.