Zeror.ai Error Codes Inovance E04.00

Inovance E04.00

Brand: InovanceModel: MD500-PLUS VFDError code: E04.00

What the Fault Means

Overcurrent during constant speed operation

Likely causes

  • Grounded or short-circuited output circuit
  • Auto-tuning not performed
  • Inappropriate overcurrent stall suppression
  • Inadequate power rating
  • External interference

Solution and Safe First Checks

  1. Check motor for short/open circuit
  2. Set motor parameters and perform auto-tuning
  3. Enable overcurrent stall suppression; adjust F3-18 and F3-20
  4. Select AC drive with higher power rating
  5. Check for external interference

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Inovance error codes

Source: the Zeror.ai industrial fault database and Inovance technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.

Inovance E04.00 · Zeror.ai