8
System fault
Vacon · 20 Compact AC Drive
What does 8 mean?
A general system fault has occurred, indicating a possible component failure or faulty operation within the frequency converter. When this fault appears, it is crucial to consult the fault history for a specific subcode (Id xxx) to pinpoint the exact nature of the internal issue (e.g., Watchdog reset, SW stack overflow, HW stack overflow, Misalignment, Illegal op, PLL lost lock / Low CPU voltage, EEPROM Device, EEPROM Queue full, MPI communication dead or CRC errors, CPU load).
Source: Vacon 20 Compact AC Drive
Open Manual (Page 55)