MOD CHOKE T

What does FF89 mean?

Overtemperature has occurred in the choke of a liquid-cooled R8i inverter module. Excessive heat in the choke can reduce its magnetic properties and potentially lead to insulation breakdown, compromising drive performance and safety.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Inspect the liquid cooling system for proper flow, leaks, and coolant level, as well as condition of heat exchangers.