Fanuc A20B-8100-0137 Control. This main board belongs to later 21i model A systems supporting PMC-SB6. Normally this main PCB is fitted behind larger LCD panels and with a faster CPU processor than the 0136 as it has more ladder steps to execute. Found in many systems starting with the designation A02B-0238-Bxxx running PMC-SB6.
If you do require the complete control system A20B-8100-0137 then contact us to go through all the options. For more information on alarms please go to our FANUC ALARM CODE page.