FANUC ALPHA-i SPM ALARM CODES
Alarm Description
A, A1, A2 SPM Program ROM error
b0
Communication error between amplifier modules
C0, C1, C2 Communication data error between the CNC and
SPM.
0, 00 Amplifier is ready (normal operating state)
1, 01 Spindle motor over temp
2, 02 Actual motor speed is deviated from the commanded speed.
3, 03 DC link fuse has blown
4, 04 Open phase detected in the 3-phase input to the the
PSM.
6, 06 Temperature sensor disconnected
7, 07 Excessive speed
9, 09 The heat sink of the SPM overheat.
11 PSM detected that the DC link overvoltage
12 DC link overcurrent
15 Spindle switching operation sequence error.
18 EPROM checksum error.
19 U phase current detection error.
20 V phase current detection error.
21 Position sensor polarity setting incorrect
24
Serial transfer data error (or The power to the CNC is turned off).
27 Position coder signal disconnect.
29 An excessive load
30 Overcurrent in the PSM.
31 Motor lock alarm.
32 Serial communication LSI memory error.
33 The PSM/DC Link charge error.
34 Parameter data outof range.
36 Error counter overflowed.
37 Speed detector parameter error
41 Position coder one-rotation signal detection error.
42
Position coder one-rotation signal not detected.
46 Position coder one-rotation signal detection error during thread cutting.
47 Position coder signal error.
50 Excessive speed command in spindle synchronization.
51 PSM DC link undervoltage.
52 The synchronization signal (ITP) error.
53 The synchronization signal (ITP) error.
54 Current overload alarm
55 Abnormal spindle switching control.
56 Internal cooling fan error.
58
PSM internal temperature high.
59
PSM internal cooling fan stopped.
66 Communication alarm between spindle and
SPM.
73 Motor sensor is disconnected.
74 SPM CPU alarm
75 SPM CPU alarm
79 Abnormal initial start up alarm
81 Motor sensor one-rotation signal detection error.
82 Motor sensor one-rotation signal not detected
83 Motor sensor signal error
84 Speed sensor disconnected.
85 Spindle sensor one-rotation signal detection error.
86 Spindle sensor one-rotation signal not detected.
87 Spindle sensor signal error
88 SPM External cooling error.
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