EEF
EEPROM FAULT
Schindler · Altivar 312 Drive
What does EEF mean?
An internal EEPROM memory fault has been detected, indicating an issue with the drive's non-volatile memory. This can affect drive configuration and operation stability.
Common Causes
- Internal memory
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the environment (electromagnetic compatibility).
- 2
Replace the drive.
Verified technical data. Last updated: March 2026
Related Faults
Source: Schindler Altivar 312 Drive