Zeror.ai Error Codes Inovance E20.12

Inovance E20.12

Brand: InovanceModel: MD500-PLUS VFDError code: E20.12

What the Fault Means

Excessive encoder deviation from SVC estimate

Likely causes

  • Excessive deviation between encoder feedback speed and SVC estimated speed

Solution and Safe First Checks

  1. Check for encoder disconnection
  2. Ensure proper motor parameter settings
  3. Ensure motor auto-tuning performed

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 E20.12 · Zeror.ai