
B-63944EN/02 APPENDIX G.ALARM LIST
- 1639 -
Number Message
SPM
indication
(*1)
Faulty location and remedy Description
SP9087 SPNDL SENSOR
SIGNAL ERROR
87 1 Replace the feedback cable.
2 Adjust the sensor.
An irregularity was detected in a
spindle sensor feedback signal.
SP9088 COOLING RADI FAN
FAILURE
88 Replace the SPM external
cooling fan.
The external cooling fan stopped.
SP9089 SSPA:89 DECODED
ALARM
89 1 Check the connection
between the SPM and the
submodule SM (SSM).
2 Replace the submodule
SM(SSM).
3 Replace the SPM control
printed-circuit board.
Submodule SM (SSM) error
(synchronous spindle)
SP9110 AMP
COMMUNICATION
ERROR
b0 1 Replace the communication
cable between amplifier and
module.
2 Replace the SPM or PSM
control printed circuit board.
Communication error between
amplifier and module
SP9111 CONV. LOW VOLT
CONTROL
b1 Replace the PSM control
printed circuit board.
Low converter control power supply
voltage (PSM indication = 6)
SP9112 CONV. EX.
DISCHARGE POW.
b2 1 Check the regenerative
resistance.
2 Check the motor selection.
3 Replace the PSM
Excessive converter regenerative
power (PSM indication = 8)
SP9113 CONV. COOLING
FAN FAILURE
b3 Replace the cooling fan. Stopped cooling fan of the converter
radiator (PSM indication = A)
SP9120 COMMUNICATION
DATA ERROR
C0 1 Replace the communication
cable between CNC and
SPM.
2 Replace the SPM control
printed circuit board.
3 Replace the CNC side
spindle interface printed
circuit board.
Communication data alarm
SP9121 COMMUNICATION
DATA ERROR
C1 1 Replace the communication
cable between CNC and
SPM.
2 Replace the SPM control
printed circuit board.
3 Replace the CNC side
spindle interface printed
circuit board.
Communication data alarm
SP9122 COMMUNICATION
DATA ERROR
C2 1 Replace the communication
cable between CNC and
SPM.
2 Replace the SPM control
printed circuit board.
3 Replace the CNC side
spindle interface printed
circuit board.
Communication data alarm
SP9123 SSPA:C3 DECODED
ALARM
C3 Replace the submodule
SW(SSW).
Submodule SW (SSW) error (spindle
switching)