Delta EF3 fault code meaning
Delta / EF3
Series: AFE3000
External terminal error 3
active front end
Meaning: When the contact status of the MI function terminal = EF3 function is ON, output stops immediately and EF3 is displayed on the digital operator.
Possible causes
- Multifunction input terminal = EF3 action
- 7-45
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P135