KFAS: Fanuc CNC Parts, Service, & Repair

             

Phone: (281) 769-2671F

E-mail:  service@kfasllc.com

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.