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| Phone: (281)
769-2671 |
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| Fax:
(832)
553-7512 |
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| E-mail:
service@kfasllc.com |
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Fanuc Series 0T/ 0M Troubleshooting Information/ Procedures/ Alarm codes |
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Fanuc 0TC/ 0MC Maintenance Manual: B-61395E |
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Fanuc 0TD/
0MD Maintenance Manual: B-62545E |
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| Alarm List
and Description |
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Absolute Pulse Coder (APC) Alarms:
Alarm 3n0 through 3n7 (n = 1 - 8) |
310, 320, 330, 311, 321,
331, 312, 322, 332, 313, 323, 333, 314, 324, 334, 315, 325, 335, 316, 326,
336, 317, 327, 337 |
| Troubleshooting steps: |
Alarm 3n0 (n = 1 to 8): Request
for reference position return |
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Alarm 3n1 to 3n6: Absolute
Pulse Coder is faulty |
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Alarm 3n7, 3n8: Absolute Pulse
Coder Battery is low |
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Alarn 3n9: Serial Pulse Coder
is abnormal |
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425, 435, 445,
416, 426, 436, 446, 417, 427, 437, 447, 490, 491, 494, 495 |
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Servo Alarms: Alarm 400 through 495 |
Alarm 400, 401,
402, 403, 404, 405, 406, 410, 420, 430, 440, 411, 421, 431, 441, 412, 422,
432, 442, 413, 423, 433, 443, 414, 424, 434, 444, 415, |
| Troubleshooting steps: |
Alarm 400, 402, 406
and 490: Overload |
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Alarm 400, 403, 406 and
491: *DRDY signal turned OFF |
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Alarm 404, 405: *DRDY
signal turned ON |
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Alarm 4n0 (n = 1 to 8):
Excessive position error amount during stop |
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Alarm 4n1 (n = 1 to 8):
Excessive position error during movement |
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Alarm 4n4 (n = 1 to 8): Digital
Servo System is abnormal |
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Alarm 4n6 (n = 1 to 8):
Disconnection Alarm |
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Alarm 4n7 (n = 1 to 8): Digital
Servo Parameter settings abnormal |
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Spindle Alarm
408, 409 |
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| Troubleshooting steps: |
Alarm 408: Serial Spindle link
does not start normally |
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Alarm 409: Serial Spindle Alarm |
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Over travel
Alarms 5n0 through 5n5, 520, 590, 591, 592, 593 |
510, 511, 512, 513, 514,
515, 520, 521, 522, 523, 524, 525, 530, 531, 532, 533, 534, 535, 540, 541,
542, 543, 545, 544 |
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System Alarm: 910 through
916, 920, 921, 922, 930, 940, 941, 945, 946, 950, 960, 998 |
910, 911, 912, 913, 914, 915, 916 |
| Troubleshooting steps: |
Alarm 910 to 916: RAM
Parity Error |
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Alarm 920, 921, 922: Watch
dog alarm or RAM parity alarm |
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Alarm 930: CPU Error Alarm |
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Alarm 941: Incorrectly
installed Memory Printed Circuit Board |
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Alarm 945: Serial Spindle
communication Error |
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Alarm 960: SUB-CPU Error |
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Alarm 950: Fuse Blown |
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Alarm 998: ROM Parity Error |
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Reader/Puncher RS232
interface alarm: Alarm 85 to 87 |
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| Troubleshooting steps: |
Check RS232 related parameter settings |
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Check RS232 cable |
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