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Fanuc Series 16/ 18 Troubleshooting Information/ Procedures/ Alarms

Fanuc 16/ 18 Maintenance Manual: B-62755E

How to replace control cooling fan

Watch video on how to replace cooling fan

CRT Blank (Nothing is displayed on the CRT)

Program Errors (P/S Alarms)

Alarm List and Description

Absolute Pulse Coder (APC) Alarms (Alarm 300, 301, 302, 303, 304, 305, 306, 307, 308, 309)

Troubleshooting Steps Alarm 301 to 305    Alarm 306 to 308

Serial Pulse Coder (SPC) Alarms (Alarm 350, 351)

Troubleshooting Steps    Alarm 350    Alarm 351

Servo Alarms (Alarm 400, 401, 404, 405, 407, 409, 410, 411, 413, 414, 415, 416, 417, 420, 421)

Troubleshooting Steps    Alarm 400    Alarm 401    Alarm 404 and 405

                                                Alarm 410    Alarm 411    Alarm 414 (with A06B-6066-Hxxx servo)

                                                Alarm 414 (with A06B-6079-Hxxx or A06B-6096-Hxxx servo)

                                                Alarm 416    Alarm 417

Over travel alarms (Alarm 500, 501, 502, 503,, 504, 505, 506, 507, 508, 509, 510, 511)

Overheat alarms (Alarm 700, 701, 704)

Troubleshooting Steps    Alarm 700, 701    How to replace control cooling fan

Serial Spindle Alarms (Alarm 749, 750, 751, 752, 754, 761, 762, 764, 771, 772, 774)

Troubleshooting Steps    Alarm 749    Alarm 750    Alarm 751 and 761

                                                 (with A06B-6088-Hxxx spindle unit)

                                                (With A06B-6064, 6063 spindle unit)

System Alarms (Alarm 900, 914, 915, 916, 920, 922, 924, 930, 950, 951, 972, 973, 974, 975)

Troubleshooting Steps    Alarm 900    Alarm 914, 915    Alarm 916    Alarm 920, 922

                                                Alarm 924    Alarm 930    Alarm 950    Alarm 951

                                                Alarm 972    Alarm 973

Other useful Fanuc 16/18 Manuals 
62764ENO 16M/18M Operators Manual for Mills
62760ENP 16T/18T 16M/18M Parameter Manual
62754ENO 16T/18T Operators Manual for Lathes
62753ENC 16M/18M/16T/18T Hardware Connection Manual