Delta ECtt fault code meaning
Delta / ECtt
Series: DPD-K, VP3000-E, VP3000
Communication card test mode
AC motor drive
Meaning: The communication card has entered production line test mode.
Possible causes
- An incorrect communication command was issued.
Source: DPD-K Series User Manual (DPD-K user manual_20211224) P605; VP3000-E & VP3000-EHS User Manual (DELTA_IA-MDS_VP3000-E-VP3000-EHS_UM_SC_20260306) P400; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P435