Delta GFF fault code meaning
Delta / GFF
Series: C2000-R
Ground fault protection circuit activated.
AC motor drive
Meaning:
Possible causes
Source: C2000-R User Manual P217
Series: CT2000, MS300-HS, VFD-ED, VFD-VL
Ground fault overcurrent
AC motor drive
Meaning:
Possible causes
Source: CT2000 Series User Manual (DELTA_IA-MDS_CT2000_UM_SC_20250522) P247; MS300 (High-speed Models) (DELTA_IA-MDS_VFD MS300_high_UM_TC_20170306) P141; VFD-ED Series User Manual (DELTA_IA-MDS_VFD-ED_UM_SC_20170315) P124; Delta VFD-VL Manual P61
Series: HES-C
Ground fault protection circuit activated.
hydraulic servo drive
Meaning:
Possible causes
Source: HES-C Technical Manual (DELTA_IA-MDS_VFD-HES_UM_TC_20250715) P100
Series: VFD-BP, VFD-BW, VFD-E, VFD-FE, VFD-M-D, VFD-MP
Ground fault
AC motor drive
Meaning:
Possible causes
Source: Delta VFD-BP Manual P51; Delta VFD-BW Manual P72; Delta VFD-E Manual P52; Delta VFD-FE Manual P41; Delta VFD-M-D Manual P44; Delta VFD-MP Manual P41