KFAS: Fanuc CNC Parts, Service, & Repair

Phone: (281) 769-2671F

E-mail:  service@kfasllc.com

Alarm List for A06B-6078-Hxxx A06B-6088-Hxxx A06B-6102-Hxxx 

A06B-6088 Alpha SPM is equipped with LED Status  to indicate alarm condition. 

AL-A0
Faulty SPM control PCB

AL-A1
Faulty SPM control PCB

AL-01
Spindle motor overheat
Faulty thermostat in spindle motor or faulty feedback cable.†
Spindle motor overload, spindle motor cooling fan failure

AL-02
Excessive speed deviation
SPM overload
Faulty speed sensor and / or spindle feedback cable
Faulty SPM

AL-03
DC Link fuse blown.
Replace SPM

AL-07
Excessive Speed
Incorrect speed detector parameter setting

AL-09
SPM overload/ overheat
Check SPM internal and external cooling fan
Send in SPM to us for wash & test service

AL-11
Over-voltage in DC link section
Faulty incoming power or PSM

AL-12
Over-current in DC link section
Defective motor, power cable or SPM
Check motor and power cable then replace SPM

AL-13
CPU Internal data memory abnormality
Faulty SPM

AL-15
Spindle switch/output switch alarm
Improper spindle switching sequence
Faulty spindle power MCC or control circuit

AL-16
RAM checksum error
Faulty SPM

AL-18
ROM checksum error
Faulty SPM

AL-19
Excessive U phase current detection in SPM
Faulty SPM

AL-20
Excessive V phase current detection in SPM
Faulty SPM

AL-24 (Normal if the CNC control is turned off)
Serial transfer data stopped
Faulty command cable between the CNC and spindle.
Faluty SPM control PCB.
Faulty spindle control circuit on CNC.

AL-25
Serial transfer data stopped†
Faulty command cable between the CNC and spindle.†
Faluty SPM control PCB.†
Faulty spindle control circuit on CNC.

AL-26
The Cís contouring control speed detection signal (detector on the motor) is abnormal
Faulty speed sensor, feedback cable for c axis contouring control.

AL-27
Position coder signal disconnection
Faulty position coder and / or feedback cable.

AL-28
Speed detection error of C's contouring control
Faulty feedback sensor/ cable.

AL-29
Excessive load
SPM overload. Check operating conditions

AL-30
Input circuit over current
Faulty incoming power / AC reactor†
Faulty PSM

AL-31
The motor can not rotate at a specified speed.
Faulty speed sensor and / or spindle feedback cable
Faulty SPM

AL-32
Faulty SPM control PCB

AL-33
Insufficient DC link section charging
Faulty PSM

AL-34
The spindle parameter setting is invalid.†
Improper spindle parameter setting.

AL-35
Excessive gear ratio data setting
Incorrect gear ratio parameter setting.

AL-36
Error counter overflow
Gear ratio and / or position gain parameters are too large

AL-37
Speed detector parameter setting error

AL-39
Detection error of 1-rotation signal for C's contouring control†
Faulty feedback sensor/ cable.†
Incorrect parameter setting for Cís contouring control detector.

AL-40
Detection error of 1-rotation signal for C's contouring control
Faulty feedback sensor/ cable.
Incorrect parameter setting for Cís contouring control detector.

AL-41
Detection error of 1-rotation signal for C's contouring control
Faulty feedback sensor/ cable.
Incorrect parameter setting for Cís contouring control detector.

AL-42
Position coder signal abnormal
Faulty position coder and/ or feedback cable

AL-43
Position coder signal abnormal
Faulty position coder and/ or feedback cable

AL-44
Faulty SPM control PCB

AL-46
Position coder signal abnormal
Faulty position coder and/ or feedback cable

AL-47
Position coder signal abnormal
Faulty position coder and/ or feedback cable

AL-48
Position coder 1-rotation signal abnormality
Faulty position coder and/ or feedback cable

AL-49
Spindle synchronization control error

AL-50
Spindle synchronization control error

AL-51
Under voltage at DC link section†
Check incoming voltage & PSM

AL-52
ITP signal abnormality 1
CNC control error. Faulty SPM

AL-53
ITP signal abnormality 2
CNC control error. Faulty SPM

AL-54
Overload current alarm
SPM overload.
Check operating conditions of the spindle.

AL-55
Power line abnormality in spindle switching/output switching
Faulty spindle power MCC
Check the magnetic contactors connected to motor power cable
U, V, W.

AL-56
Cooling fan error
Replacement cooling Fan
Send in PSM to us for Wash & Test

AL-57
Control circuit is erroneous
Faulty SPM control PCB
Replace SPM control PCB†

AL-58
The temperature of PSM heat sink has risen abnormally.
PSM Cooling Fans†
Check PSM external cooling fan.
Send in PSM to us for Wash & Test

AL-59
PSM internal cooling fan error
Replace PSM Cooling fan (internal)
PSM Cooling Fans†
Send in PSM to us for Wash & Test