Faulting :: Faulting (n.) The state or condition of being faulted; the process by which a fault is produced.
Faultless :: Faultless (a.) Without fault; not defective or imperfect; free from blemish; free from incorrectness, vice, or offense; perfect; as, a faultless poem..
Faulty :: Faulty (a.) Containing faults, blemishes, or defects; imperfect; not fit for the use intended..
Faulty :: Faulty (a.) Guilty of a fault, or of faults; hence, blamable; worthy of censure..