FF89

MOD CHOKE T

Allen-Bradley · ABB ACS800 Standard Firmware

What does FF89 mean?

An overtemperature condition has been detected in the choke of a liquid-cooled R8i inverter module. This indicates that the choke's temperature has surpassed its safe operating threshold.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check the liquid cooling system for adequate flow, pressure, and coolant level to ensure effective heat removal.

Source: ABB ACS800 Standard Firmware
Open Manual (Page 244)