InverterS300Verification pending — cross-check with the official manual
S300 Low — Low Voltage
Trip — immediate stop
CAUSE
Why does it occur?
- Occurs when the voltage of the DC link circuit drops below the rated value during operation
- The trip type (Latch/Level) can be set in the PRT-02 (LV Trip Mode) code
REMEDY · Step by step
How to fix it?
Check the input power voltage (supply at or above the rated voltage), eliminate the cause of power fluctuation, and install a UPS if necessary.
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
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