Fanuc A16B-2200-0129 15 Base 0 PCB. This CPU / memory PCB is fitted with 512Kb of RAM. While also offering Fanuc 15MF, 15TF, system testing, either as part or as the complete control. Normal faults for this board are the RAM Parity Base 0; but can be a red herring if the parameters are not installed properly.
DNC carry stock of this A16B22000129 base 0 board for the Fanuc 15A series controls. This board normal faults include various ram parity alarms, though can be complicated if the system is a 15-TF.