8

System fault

Vacon · NXP/C AC Drive

What does 8 mean?

This fault indicates a component failure or faulty operation within the frequency converter system. Subcodes in T.14 provide more specific information, such as issues with motor voltage feedback (S1), ASIC trip (S4), VaconBus disturbance (S5), charging switch (S6, S7), power unit communication (S9, S10, S11), or lack of power to the driver card (S8). If not resolved, it indicates an internal hardware or communication issue.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Contact your local distributor, providing the fault code and subcode for further assistance.

Source: Vacon NXP/C AC Drive
Open Manual (Page 107)