Err3

ROM Fault

Schindler · Altivar 212 Variable Frequency Drive

What does Err3 mean?

This fault indicates that the internal ROM on the control board of the Altivar 212 drive is inoperable, suggesting a critical hardware failure preventing boot-up or program execution.

Common Causes

  • The control board ROM is inoperable.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Contact Schneider Electric to repair the drive.

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

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E-19CPU Communications ErrorEEP2EEPROM Error 2 FaultEPH0Output Phase Loss Fault
Source: Schindler Altivar 212 Variable Frequency Drive
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