Delta AFE fault code meaning
Delta / AFE
Series: C2000 Plus, MS300
PIDOpenACI
AC motor drive
Meaning: PID Feedback open (for analog feedback signals, valid only when the PID function is enabled)
Possible causes
- PID feedback wiring loose or open
- Retighten the terminals.
- Feedback device fault
- Hardware fault
Source: C2000 Plus Series User Manual (DELTA_IA-MDS_C2000 Plus_UM_TC_20250522) P421; MS300 Series User Manual (DELTA_IA-MDS_MS300_UM_TC_20260417_v2) P246
Series: C2000-R
PID open ACI
AC motor drive
Meaning:
Possible causes
Source: C2000-R User Manual P218
Series: CFP2000, CH2000, CP2000
PIDOpenACI
AC motor drive
Meaning: PID feedback open (for analog feedback signals; valid only when the PID function is enabled)
Possible causes
- PID feedback wiring loose or open
- Retighten the terminals.
- Feedback device fault
- Hardware fault
Source: CFP2000 Series User Manual (DELTA_IA-MDS_CFP2000_UM_SC_20250731) P284; CH2000 Series User Manual (DELTA_IA-MDS_CH2000_UM_SC_20251030) P381; CP2000 Series User Manual (DELTA_IA-MDS_CP2000_UM_SC_20250704) P392
Series: CT2000
PID Feedback open
AC motor drive
Meaning:
Possible causes
Source: CT2000 Series User Manual (DELTA_IA-MDS_CT2000_UM_SC_20250522) P382
Series: DPD-K, ME300
PIDOpenACI
AC motor drive
Meaning: PID Feedback open (for analog feedback signals; valid only when the PID function is enabled)
Possible causes
- PID feedback wiring loose or open
- Retighten the terminals.
- Feedback device fault
- Hardware fault
Source: DPD-K Series User Manual (DPD-K user manual_20211224) P316; ME300 Series User Manual (DELTA_IA-MDS_ME300_UM_SC_20250407) P180
Series: MH300
PIDOpenACI
AC motor drive
Meaning: PID feedback open (for analog feedback signals, valid only when the PID function is enabled)
Possible causes
- PID feedback wiring loose or open
- Retighten the terminals.
- Feedback device fault
- Hardware fault
Source: MH300 Series User Manual (DELTA_IA-MDS_MH300_UM_TC_20260505) P292
Series: MP300
PIDOpenACI
AC motor drive
Meaning: PID feedback open. (For analog feedback signals, this is valid only when the PID function is enabled.)
Possible causes
- PID feedback wiring loose or open
- Retighten the terminals.
- Feedback device fault
- Hardware fault
Source: MPD_MP300 Series User Manual (DELTA_IA-MDS_MPD_UM_SC_20260326) P145
Series: MX300
PID open AI2
AC motor drive
Meaning: PID feedback open (for analog feedback signals, valid only when the PID function is enabled)
Possible causes
- PID feedback wiring loose or open
- Retighten the terminals
- Feedback device fault
- Hardware fault
- 8-74
Source: MX300 Series User Manual (DELTA_IA-MDS_MX300_UM_TC_20260226) P138