Fanuc A16B-3200-0491 or A16B32000491 Main PCB for 0iB

A16B-3200-0491 main PCB 0iB

A16B-3200-0491 or A16B32000491 is a main PCB commonly used in Fanuc 0iB

7–segment LED display when a system alarm occurs
If a system alarm occurs, a number blinks as shown below, depending on the system alarm number.
LED    System alarm number    System alarm type
0             900 to 909                 ROM parity alarm.
                                               System ROM parity stored in FROM
1             910 to 919                SRAM or DRAM parity alarm
2             920 to 929                Servo alarm
3             930 to 949                CPU interrupt or SRAM ECC error
5             950 to 959                PMC system alarm
7             970 to 979                Bus error or non–maskable interrupt
8             Others                        Other system alarms

0i-B Maintenance Manual B- 63835EN

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