
APPENDIX
B–63665EN/01
A. ALARM LIST
393
No. DescriptionFaulty location and remedy
SPM in-
dica-
tion(*1)
Message
9037 SPN_n_ : SPEED DE-
TECT PAR. ER-
ROR
37 Correct the value according to the pa-
rameter manual.
The setting of the parameter for the
number of pulses in the speed detec-
tor is incorrect.
9039 SPN_n_ : 1–ROT Cs SIG-
NAL ERROR
39 1 Adjust the 1–rotation signal in the
pre–amplifier.
2 Check the cable shield status.
3 Replace the cable.
An incorrect relationship between the
1–rotation signal and the number of
AB phase pulses was detected dur-
ing Cs contour control.
9040 SPN_n_ : NO 1–ROT Cs
SIGNAL DE-
TECT
40 1 Adjust the 1–rotation signal in the
pre–amplifier.
2 Check the cable shield status.
3 Replace the cable.
The 1–rotation signal is not gener-
ated during Cs contour control.
9041 SPN_n_ : 1–ROT POS–
CODER ER-
ROR
41 1 Check and correct the parameter.
2 Replace the cable.
3Re–adjust the BZ sensor signal.
1 The 1–rotation signal of the
spindle position coder (connector
JY4) is abnormal.
2 The 1–rotation signal (connector
JY2) of the MZ or BZ sensor is ab-
normal.
3 Parameter setting error
9042 SPN_n_ : NO 1–ROT.
POS–CODER
DETECT
42 1 Replace the cable.
2Re–adjust the BZ sensor signal.
1 The 1–rotation signal of the
spindle position coder (connector
JY4) is disconnected.
2 The 1–rotation signal (connector
JY2) of the MZ or BZ sensor is dis-
connected.
9043 SPN_n_ : DISCON. PC
FOR DIF. SP.
MODE
43 Replace the cable. The differential speed position coder
signal (connector JY8) in SPM type 3
is abnormal.
9044 SPN_n_ : CONTROL
CIRCUIT(AD)
ERROR
44 Replace the SPM control printed cir-
cuit board.
Abnormality in an SPM control circuit
component was detected (A/D con-
verter abnormality).
9046 SPN_n_ : SCREW
1–ROT POS–
COD. ALARM
46 1 Check and correct the parameter.
2 Replace the cable.
3Re–adjust the BZ sensor signal.
An abnormality equivalent to alarm
41 was detected during thread cutting
operation.
9047 SPN_n_ : POS–CODER
SIGNAL AB-
NORMAL
47 1 Replace the cable.
2Re–adjust the BZ sensor signal.
3 Correct the cable layout (vicinity of
the power line).
1 The A/B phase signal of the
spindle position coder (connector
JY4) is abnormal.
2 The A/B phase signal (connector
JY2) of the MZ or BZ sensor is ab-
normal.
The relationship between the A/B
phase and 1–rotation signal is incor-
rect (Pulse interval mismatch).
9049 SPN_n_ : HIGH CONV.
DIF. SPEED
49 Check whether the calculated differ-
ential speed value exceeds the maxi-
mum motor speed.
In differential speed mode, the speed
of the other spindle converted to the
speed of the local spindle has ex-
ceeded the allowable limit (the differ-
ential speed is calculated by multiply-
ing the speed of the other spindle by
the gear ratio).