Here is a comprehensive list of the defintions for Fanuc Alpha Spindle Drives. Please leave any questions regarding fanuc alpha spindle drive alarm codes in the comments section at the bottom of the page and we will endevour to assist you.
Alarm Code Fault
— Not Ready
00 Control Ready
01 Motor Overheat
02 Excess Speed Deviation
03 Fuse on DC Link Blown
04 Input Fuse Blown
05 Control Power Supply Fuse Blown
06 Overspeed (Analog) (Temperature Sensor Disconnected)
07 Overspeed (Digital)
08 High 24v Input Voltage
09 Overheat Power Semiconductors
10 Low 15v Input Voltage
11 DC Link High Voltage
12 DC Link Overcurrent
13 Data Memory Fault CPU
14 Defective ROM
15 Defective Optional Circuit
16 NVRAM Fault
17 NVRAM Checksum Fault
18 ROM Checksum Fault
19 IU Offset Current Alarm
20 IV Offset Current Alarm
21 VCMD Offset Alarm (Position Sensor Polarity Setting Incorrect)
22 TSA Offset Alarm
23 ER Offset Alarm
24 Serial Transfer Data Error
25 Serial Transfer Stop
26 C Velocity Detector Disconnected
27 Position Coder Disconnected
28 C Position Detector Disconnected
29 Short Period Overload
30 Overcurrent Power Circuit
31 Motor Lock or V Signal Lost
32 Serial communication LSI RAM Error
33 DC Link Pre Charge Failure
34 Parameter Setting Error
35 Gear Ratio Parameter Error
36 Error Counter Overflow
37 Speed Detector Parameter Error
39 One Rotation Cs Signal Error
40 Cs One Rotation Signal Detection Error
41 Position Coder One Rotation Signal Detection Error
42 One Rotation Position Coder Detected Error
43 Disconnected PC for DIF. SP. MOD.
44 Control Circuit AD Error
46 Thread Cutting One Rotation Position Coder Alarm
47 Position Coder Signal Abnormal
49 High Conversion DIF. SPEED
50 Excessive speed command calculation value during spindle synchronization
51 Low Volt DC Link
52 ITP Signal Abnormal 1
53 ITP Signal Abnormal 2
54 Current Overload Alarm
55 Abnormal Switching Status of Power Leads
56 Inner Fanuc Cooling Fan Stopped
57 Excessive Deceleration Power
58 Overload in Fanuc Power Supply Module
59 Cooling Fan Stopped in PSM
66 Communication alarm between spindle and amplifier
69 Safety speed exceeded
70 Abnormal axis data
71 Abnormal safety parameter
72 Motor speed mismatch
73 Motor sensor disconnected
74 CPU test alarm
75 CRC test alarm
76 Safety function not executed
77 Axis number mismatch
78 Safety parameter mismatch
79 Abnormal initial test operation
81 Motor sensor one-rotation signal detection error
82 Motor sensor one-rotation signal not detected
83 Motor sensor signal error
84 Spindle sensor disconnected
85 Spindle sensor one-rotation signal detection error
86 Spindle sensor one-rotation signal not detected
87 Spindle sensor signal error
88 Cooling fan stopped of the radiator
A0 Program ROM error
A1 Program ROM error
A2 Program ROM error
b0 Communication error between amplifier and module
b1 6 Converter control power supply low voltage
b2 8 Converter excessive regenerative power
b3 A Converter cooling fan stopped of the radiator
C0 Communication data alarm
C1 Communication data alarm
C2 Communication data alarm
C3 Spindle switching circuit error
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