Zeror.ai Error Codes Inovance E21.03

Inovance E21.03

Brand: InovanceModel: MD500-PLUS VFDError code: E21.03

What the Fault Means

EEPROM read/write fault 3

Likely causes

  • EEPROM read/write abnormality

Solution and Safe First Checks

  1. For communication write parameters check RAM addresses and mapping
  2. Contact Inovance to replace control board if EEPROM chip damaged

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 E21.03 · Zeror.ai