Delta PHL fault code meaning

Series: AFE2000

Input phase loss

active front end

Meaning:

Possible causes

Source: AFE2000 (DELTA_IA-PQ_AFE2000_UM_SC_20110729) P60

Series: DPD-K, MH300-HS, MH300, MS300, MX300

Input phase loss

AC motor drive

Meaning: Input phase loss warning

Possible causes

• Input power supply phase loss occurs.
• Single-phase power supply connected to a three-phase model
• The supply voltage has fluctuated.
• If the main circuit power supply has no fault, check the main circuit MC for a fault.
• Loose input power supply wiring terminals
• Is the three-phase power supply input cable severed?
• Repair the open circuit.
• Excessive input power supply voltage fluctuation
• Three-phase input power supply imbalance

Source: DPD-K Series User Manual (DPD-K user manual_20211224) P582; MH300 Series (High-Speed Models) User Manual (DELTA_IA-MDS_MH300-HS_UM_SC_20241213_v3) P440; MH300 Series User Manual (DELTA_IA-MDS_MH300_UM_TC_20260505) P674; MS300 Series User Manual (DELTA_IA-MDS_MS300_UM_TC_20260417_v2) P462; MX300 Series User Manual (DELTA_IA-MDS_MX300_UM_TC_20260226) P189

Series: VFD-BP, VFD-BW, VFD-E, VFD-EL-W, VFD-EL, VFD-F, VFD-FE

Phase loss

AC motor drive

Meaning:

Possible causes

Source: Delta VFD-BP Manual P51; Delta VFD-BW Manual P72; Delta VFD-E Manual P52; VFD-EL-W Series User Manual P57; Delta VFD-EL Manual P52; Delta VFD-F Manual P1; Delta VFD-FE Manual P41

Series: VFD-DD, VFD-VE, VFD-VL

Phase loss protection

AC motor drive

Meaning:

Possible causes

Source: VFD-DD (Ver. F, S, T & V ) (DELTA_IA-MDS_VFD-DD_UM_TC_20170609) P36; Delta VFD-VE Manual P65; Delta VFD-VL Manual P61

Series: VFD-ED

Input phase loss protection

AC motor drive

Meaning:

Possible causes

Source: VFD-ED Series User Manual (DELTA_IA-MDS_VFD-ED_UM_SC_20170315) P125