Fanuc A14B-0061-B104 Input Power Supply Unit for the Fanuc Series 6 controls. Full services are offered on this I/P unit, including service exchange, outright surplus ex-stock spares supply of this power unit. DNC offer fault diagnosis and rigorous testing facilities as well repair procedures for the A14B0061B104. DNC still have 3 active Fanuc Series 6 controls, namely the 6A, 6B, 6BII for testing Fanuc 6 boards, as well making sure our FS6 Power Supply Unit, and i/p units such as this part are repaired properly and work well beyond our 180 day warranty period. If you are not sure whether this i/p unit is causing the problems or the Power Supply Unit powering the control, call us we can advise.