10031

Heat sink too hot to phase search (_ecPHASE_SEARCH_TOO_HOT)

ABB · ACS850 Standard Program Firmware

What does 10031 mean?

The drive's heatsink has exceeded its safe operating temperature, preventing the system from performing a phase search function. This indicates inadequate cooling, which if ignored, can lead to permanent damage to the drive's power electronics.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Verify ambient conditions in the drive cabinet (e.g., temperature, air circulation) are within specified limits.

Source: ABB ACS850 Standard Program Firmware
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