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.
- 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)