
APPENDIX
B–64115EN/01
A. ALARM LIST
581
No. DescriptionFaulty location and remedy
SPM
indica-
tion(*1)
Message
9086 SPN_n_ : NO 1–ROT
SPNDL SEN-
SOR ERROR
86 1 Replace the feedback cable.
2 Adjust the sensor.
The one–rotation signal of the
spindle sensor cannot be correctly
detected.
9087 SPN_n_ : SPNDL SEN-
SOR SIGNAL
ERROR
87 The one–rotation signal of the
spindle sensor is not generated.
An irregularity was detected in a
spindle sensor feedback signal.
9088 SPN_n_ : COOLING RA-
DIFAN FAIL-
URE
88 Replace the SPM external cooling
fan.
The external cooling fan stopped.
9097 SPN_n_ : OTHER
SPINDLE
ALARM
Check the SPM alarm display. Other spindle alarm
9098 SPN_n_ : OTHER CON-
VERTER
ALARM
Check the PSM alarm display. Other converter alarm
9110 SPN_n_ : AMP COMMU-
NICATION ER-
ROR
b0 1 Replace the communication cable
between amplifier and module.
2 Replace the SPM or PSM control
printed circuit board.
Communication error between am-
plifier and module
9111 SPN_n_ : CONV.LOW
VOLT CON-
TROL
b1 Replace the PSM control printed cir-
cuit board.
Low converter control power supply
voltage (PSM indication = 6)
9112 SPN_n_ : CONV.EXDIS-
CHARGE POW.
b2 1 Check the regenerative resis-
tance.
2 Check the motor selection.
3 Replace the PSM
Excessive converter regenerative
power (PSM indication = 8)
9113 SPN_n_ : CONV.COOL-
ING FAN FAIL-
URE
b3 Replace the cooling fan. Stopped cooling fan of the converter
radiator (PSM indication = A)
9120 SPN_n_ : COMMUNICA-
TION DATA ER-
ROR
C0 1 Replace the communication cable
between CNC and SPM.
2 Replace the SPM control printed
circuit board.
3 Replace the CNC side spindle in-
terface printed circuit board.
Communication data alarm
9121 SPN_n_ : COMMUNICA-
TION DATA ER-
ROR
C1 1 Replace the communication cable
between CNC and SPM.
2 Replace the SPM control printed
circuit board.
3 Replace the CNC side spindle in-
terface printed circuit board.
Communication data alarm
9122 SPN_n_ : COMMUNICA-
TION DATA ER-
ROR
C2 1 Replace the communication cable
between CNC and SPM.
2 Replace the SPM control printed
circuit board.
3 Replace the CNC side spindle in-
terface printed circuit board.
Communication data alarm