Inovance F234 fault code meaning

Inovance / F234

Series: HD5X

Bypass board undervoltage fault

AC drive

Meaning: The unit has been bypassed, but the bypass board supply voltage is below the hardware detection threshold

Possible causes

1. unit high-isolation transformer error
2.Unit bypass board power supply cable loose
3.Unit bypass board sampling error
4.Unit bypass board power supply circuit fault

Source: HD5X Series High-Voltage AC Drive User Manual P124