FANUC Series 16i/160i/160is-MB, Series 18i/180i/180is-MB5, Series 18i/180i/180is-MB. Operator's Manual - page 42
B-63534EN/02
APPENDIX
G. ALARM LIST
SPM in-
No.
Message
dica-
Faulty location and remedy
Description
tion(*1)
9n11
SPN_n_ : OVERVOLT
11
1
Check the selected PSM.
Overvoltage of the DC link section of
POW CIRCUIT
2
Check the input power voltage and
the PSM was detected. (PSM alarm
change in power during motor de-
indication: 7)
celeration. If the voltage exceeds
PSM selection error. (The maximum
253 VAC (for the 200-V system) or
output specification of the PSM is ex-
530 VAC (for the 400-V system),
ceeded.)
improve the power supply imped-
ance.
9n12
SPN_n_ : OVERCUR-
12
1
Check the motor insulation status.
The motor output current is abnormal-
RENT POW
2
Check the spindle parameters.
ly high.
CIRCUIT
3
Replace the SPM unit.
A motor-specific parameter does not
match the motor model.
Poor motor insulation
9n15
SPN_n_ : SP SWITCH
15
1
Check and correct the ladder se-
The switch sequence in spindle
CONTROL
quence.
switch/output switch operation is ab-
ALARM
2
Replace the switching MC.
normal.
The switching MC contact status
check signal and command do not
match.
9n16
SPN_n_ : RAM FAULT
16
Replace the SPM control printed cir-
Abnormality in an SPM control circuit
cuit board.
component is detected. (RAM for ex-
ternal data is abnormal.)
9n18
SPN_n_ : SUMCHECK
18
Replace the SPM control printed cir-
Abnormality in an SPM control circuit
ERROR PGM
cuit board.
component is detected.
(Program
DATA
ROM data is abnormal.)
9n19
SPN_n_ : EX OFFSET
19
Replace the SPM unit.
Abnormality in an SPM component is
CURRENT U
detected. (The initial value for the U
phase current detection circuit is ab-
normal.)
9n20
SPN_n_ : EX OFFSET
20
Replace the SPM unit.
Abnormality in an SPM component is
CURRENT V
detected.
(The initial value of the V
phase current detection circuit is ab-
normal.)
9n21
SPN_n_ : POS SENSOR
21
Check and correct the parameters.
The polarity parameter setting of the
POLARITY ER-
(No. 4000#0, 4001#4)
position sensor is wrong.
ROR
9n24
SPN_n_ : SERIAL
24
1
Place the CNC-to-spindle cable
The CNC power is turned off (normal
TRANSFER
away from the power cable.
power-off or broken cable).
ERROR
2
Replace the cable.
An error is detected in communica-
tion data transferred to the CNC.
9n27
SPN_n_ : DISCONNECT
27
1
Replace the cable.
1
The spindle position coder (con-
POS-CODER
2
Re-adjust the BZ sensor signal.
nector JY4) signal is abnormal.
2
The signal amplitude (connector
JY2) of the MZ or BZ sensor is ab-
normal.
(Unconnected cable, adjustment
error, etc.)
1213
G. ALARM LIST
APPENDIX
B-63534EN/02
SPM in-
No.
Message
dica-
Faulty location and remedy
Description
tion(*1)
9n29
SPN_n_ : SHORTTIME
29
Check and correct the load status.
Excessive load has been applied
OVERLOAD
continuously for a certain period of
time. (This alarm is issued also when
the motor shaft has been locked in the
excitation state.)
9n30
SPN_n_ : OVERCUR-
30
Check and correct the power supply
Overcurrent is detected in PSM main
RENT POW
voltage.
circuit input.
(PSM alarm indication:
CIRCUIT
1)
Unbalanced power supply.
PSM selection error (The maximum
PSM output specification is exceed-
ed.)
9n31
SPN_n_ : MOTOR LOCK
31
1
Check and correct the load status.
The motor cannot rotate at a specified
OR V-SIG LOS
2
Replace the motor sensor cable
speed.
(A level not exceeding the
(JY2 or JY5).
SST level for the rotation command
has existed continuously.)
Abnormality in the speed detection
signal.
9n32
SPN_n_ : RAM FAULT
32
Replace the SPM control printed cir-
Abnormality in an SPM control circuit
SERIAL LSI
cuit board.
component is detected. (The LSI de-
vice for serial transfer is abnormal.)
9n33
SPN_n_ : SHORTAGE
33
1
Check and correct the power sup-
Charging of direct current power sup-
POWER
ply voltage.
ply voltage in the power circuit section
CHARGE
2
Replace the PSM unit.
is insufficient when the magnetic con-
tractor in the amplifier is turned on
(such as open phase and defective
charging resistor).
9n34
SPN_n_ : PARAMETER
34
Correct a parameter value according
Parameter data exceeding the allow-
SETTING ER-
to the manual.
able limit is set.
ROR
If the parameter number is unknown,
connect the spindle check board, and
check the indicated parameter.
9n35
SPN_n_ : EX SETTING
35
Correct the value according to the pa-
Gear ratio data exceeding the allow-
GEAR RATIO
rameter manual.
able limit is set.
9n36
SPN_n_ : OVERFLOW
36
Check whether the position gain val-
An error counter overflow occurred.
ERROR
ue is too large, and correct the value.
COUNTER
9n37
SPN_n_ : SPEED DE-
37
Correct the value according to the pa-
The setting of the parameter for the
TECT PAR. ER-
rameter manual.
number of pulses in the speed detec-
ROR
tor is incorrect.
9n41
SPN_n_ :
1-ROT POS-
41
1
Check and correct the parameter.
1
The
1-rotation signal of the
CODER ER-
2
Replace the cable.
spindle position coder (connector
ROR
3
Re-adjust the BZ sensor signal.
JY4) is abnormal.
2
The 1-rotation signal (connector
JY2) of the MZ or BZ sensor is ab-
normal.
3
Parameter setting error
1214
B-63534EN/02
APPENDIX
G. ALARM LIST
SPM in-
No.
Message
dica-
Faulty location and remedy
Description
tion(*1)
9n42
SPN_n_ : NO 1-ROT.
42
1
Replace the cable.
1
The
1-rotation signal of the
POS-CODER
2
Re-adjust the BZ sensor signal.
spindle position coder (connector
DETECT
JY4) is disconnected.
2
The 1-rotation signal (connector
JY2) of the MZ or BZ sensor is dis-
connected.
9n43
SPN_n_ : DISCON. PC
43
Replace the cable.
The differential speed position coder
FOR DIF. SP.
signal (connector JY8) in SPM type 3
MODE
is abnormal.
9n46
SPN_n_ : SCREW
46
1
Check and correct the parameter.
An abnormality equivalent to alarm
1-ROT POS-
2
Replace the cable.
41 was detected during thread cutting
COD. ALARM
3
Re-adjust the BZ sensor signal.
operation.
9n47
SPN_n_ : POS-CODER
47
1
Replace the cable.
1
The A/B phase signal of the
SIGNAL AB-
2
Re-adjust the BZ sensor signal.
spindle position coder (connector
NORMAL
3
Correct the cable layout (vicinity of
JY4) is abnormal.
the power line).
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).
9n49
SPN_n_ : HIGH CONV.
49
Check whether the calculated differ-
In differential speed mode, the speed
DIF. SPEED
ential speed value exceeds the maxi-
of the other spindle converted to the
mum motor speed.
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).
9n50
SPN_n_ : SPNDL CON-
50
Check whether the calculated value
In spindle synchronization, the speed
TROL OVER-
exceeds the maximum motor speed.
command calculation value exceed-
SPEED
ed the allowable limit
(the motor
speed is calculated by multiplying the
specified spindle speed by the gear
ratio).
9n51
SPN_n_ : LOW VOLT DC
51
1
Check and correct the power sup-
Input voltage drop was detected.
LINK
ply voltage.
(PSM alarm indication: 4) (Momen-
2
Replace the MC.
tary power failure or poor MC contact)
9n52
SPN_n_ : ITP SIGNAL
52
1
Replace the SPM control printed
NC interface abnormality was de-
ABNORMAL I
circuit board.
tected (the ITP signal stopped).
2
Replace the spindle interface
printed circuit board in the CNC.
9n53
SPN_n_ : ITP SIGNAL
53
1
Replace the SPM control printed
NC interface abnormality was de-
ABNORMAL II
circuit board.
tected (the ITP signal stopped).
2
Replace the spindle interface
printed circuit board in the CNC.
9n54
SPN_n_ : OVERLOAD
54
Review the load state.
An overload current was detected.
CURRENT
9n55
SPN_n_ : POWER LINE
55
1
Replace the magnetic contactor.
The power line state signal of the
SWITCH ER-
2
Check and correct the sequence.
magnetic contactor for selecting a
ROR
spindle or output is abnormal.
1215
G. ALARM LIST
APPENDIX
B-63534EN/02
SPM in-
No.
Message
dica-
Faulty location and remedy
Description
tion(*1)
9n56
SPN_n_ : INNER COOL-
56
Replace the SPM unit.
The cooling fan in the SPM control cir-
ING FAN STOP
cuit stopped.
9n57
SPN_n_ : EX DECEL-
57
1
Decrease the acceleration/decel-
An overload was detected in the re-
ERATION
eration duty.
generative resistance. (PSMR alarm
POWER
2
Check the cooling condition (pe-
indication: 8)
ripheral temperature).
Thermostat operation or short-time
3
If the cooling fan stops, replace the
overload was detected.
resistor.
The regenerative resistor was dis-
4
If the resistance is abnormal, re-
connected, or an abnormal resis-
place the resistor.
tance was detected.
9n58
SPN_n_ : OVERLOAD IN
58
1
Check the PSM cooling status.
The temperature of the radiator of the
PSM
2
Replace the PSM unit.
PSM has increased abnormally.
(PSM alarm indication: 3)
9n59
SPN_n_ : COOLING FAN
59
Replace the SPM unit.
The cooling fan in the PSM stopped.
STOP IN PSM
(PSM alarm indication: 2)
9n66
SPN_n_ : AMP MODULE
66
1
Replace the cable.
An error was found in communication
COMMUNICA-
2
Check and correct the connection.
between amplifiers.
TION
9n73
SPN_n_ : MOTOR SEN-
73
1
Replace the feedback cable.
The motor sensor feedback signal is
SOR DISCON-
2
Check the shield processing.
not present.
NECTED
3
Check and correct the connection.
4
Adjust the sensor.
9n74
SPN_n_ : CPU TEST ER-
74
Replace the SPM control printed-cir-
An error was detected in a CPU test.
ROR
cuit board.
9n75
SPN_n_ : CRC ERROR
75
Replace the SPM control printed-cir-
An error was detected in a CRC test.
cuit board.
9n79
SPN_n_ : INITIAL TEST
79
Replace the SPM control printed-cir-
An error was detected in an initial test
ERROR
cuit board.
operation.
9n81
SPN_n_ :
1-ROT MO-
81
1
Check and correct the parameter.
The one-rotation signal of the motor
TOR SENSOR
2
Replace the feedback cable.
sensor cannot be correctly detected.
ERROR
3
Adjust the sensor.
9n82
SPN_n_ : NO 1-ROT
82
1
Replace the feedback cable.
The one-rotation signal of the motor
MOTOR SEN-
2
Adjust the sensor.
sensor is not generated.
SOR
9n83
SPN_n_ : MOTOR SEN-
83
1
Replace the feedback cable.
An irregularity was detected in a mo-
SOR SINGNAL
2
Adjust the sensor.
tor sensor feedback signal.
ERROR
9n84
SPN_n_ : SPNDL SEN-
84
1
Replace the feedback cable.
The spindle sensor feedback signal is
SOR DISCON-
2
Check the shield processing.
not present.
NECTED
3
Check and correct the connection.
4
Check and correct the parameter.
5
Adjust the sensor.
9n85
SPN_n_ :
1-ROT SPNDL
85
1
Check and correct the parameter.
The one-rotation signal of the spindle
SENSOR ER-
2
Replace the feedback cable.
sensor cannot be correctly detected.
ROR
3
Adjust the sensor.
1216
B-63534EN/02
APPENDIX
G. ALARM LIST
SPM in-
No.
Message
dica-
Faulty location and remedy
Description
tion(*1)
9n87
SPN_n_ : SPNDL SEN-
87
The one-rotation signal of the spindle
An irregularity was detected in a
SOR SIGNAL
sensor is not generated.
spindle sensor feedback signal.
ERROR
9n88
SPN_n_ : COOLING RA-
88
Replace the SPM external cooling
The external cooling fan stopped.
DIFAN FAIL-
fan.
URE
9097
SPN_n_ : OTHER
Check the SPM alarm display.
Other spindle alarm
SPINDLE
ALARM
9098
SPN_n_ : OTHER CON-
Check the PSM alarm display.
Other converter alarm
VERTER
ALARM
9110
SPN_n_ : AMP COMMU-
b0
1
Replace the communication cable
Communication error between am-
NICATION ER-
between amplifier and module.
plifier and module
ROR
2
Replace the SPM or PSM control
printed circuit board.
9111
SPN_n_ : CONV.LOW
b1
Replace the PSM control printed cir-
Low converter control power supply
VOLT CON-
cuit board.
voltage (PSM indication = 6)
TROL
9112
SPN_n_ : CONV.EXDIS-
b2
1
Check the regenerative resis-
Excessive converter regenerative
CHARGE POW.
tance.
power (PSM indication = 8)
2
Check the motor selection.
3
Replace the PSM
9113
SPN_n_ : CONV.COOL-
b3
Replace the cooling fan.
Stopped cooling fan of the converter
ING FAN FAIL-
radiator (PSM indication = A)
URE
9120
SPN_n_ : COMMUNICA-
C0
1
Replace the communication cable
Communication data alarm
TION DATA ER-
between CNC and SPM.
ROR
2
Replace the SPM control printed
circuit board.
3
Replace the CNC side spindle in-
terface printed circuit board.
9121
SPN_n_ : COMMUNICA-
C1
1
Replace the communication cable
Communication data alarm
TION DATA ER-
between CNC and SPM.
ROR
2
Replace the SPM control printed
circuit board.
3
Replace the CNC side spindle in-
terface printed circuit board.
9122
SPN_n_ : COMMUNICA-
C2
1
Replace the communication cable
Communication data alarm
TION DATA ER-
between CNC and SPM.
ROR
2
Replace the SPM control printed
circuit board.
3
Replace the CNC side spindle in-
terface printed circuit board.
1217
G. ALARM LIST
APPENDIX
B-63534EN/02
ERROR CODES (SERIAL SPINDLE)
NOTE*1
Note that the meanings of the SPM indications differ
depending on which LED, the red or yellow LED, is on.
When the yellow LED is on, an error code is indicated with
a 2-digit number. The error code is not displayed on the
CNC screen.
When the red LED is on, the SPM indicates the number of
an alarm generated in the serial spindle.
³ See Item, “Alarm List (Serial Spindle).”
Errors Displayed on the Spindle Amplifier
SPM
indica-
Faulty location and remedy
Description
tion(*1)
01
Check the *ESP and MRDY sequence. (For MRDY, pay
Although neither *ESP (emergency stop signal; there
attention to the parameter setting regarding the use of the
are two types of signals including the PMC signal and
MRDY signal (bit 0 of parameter No. 4001).)
PSM contact signal(*2)) nor MRDY (machine ready sig-
nal) is input, SFR (forward rotation signal)/SRF (reverse
rotation signal)/ORCM (orientation command) is input.
02
Check the spindle motor speed detector parameter (bits
When the spindle motor has a high-resolution magnet-
2, 1, and 0 of parameter No. 4011).
ic pulse coder (Cs sensor) (bits 6 and 5 of parameter
No. 4001 are set to 0 and 1, respectively), 128 /rev is
to be set for the speed detector (bits 2, 1, and 0 of pa-
rameter No. 4011 are set to 0, 0, and 1, respectively).
However, a value other than 128
/rev is set. In this
case, the motor is not excited.
03
Check the parameters for the detector for Cs contour
Although use of a high-resolution magnetic pulse cod-
control (bit 5 of parameter No. 4001 and bit 4 of parame-
er (bit 5 of parameter No. 4001 = 1) or use of the Cs con-
ter No. 4018).
tour control function by the sensor (bit 4 of parameter
No. 4018 = 1) is not set, a Cs control command is input.
In this case, the motor is not excited.
04
Check the position coder signal parameter (bit 2 of pa-
Although use of the position coder signal (bit 2 of pa-
rameter No. 4001).
rameter No. 4001 = 1) is not set, a servo mode (rigid tap-
ping, spindle positioning) or spindle synchronization
command is input. In this case, the motor is not excited.
05
Check the orientation software option.
Although the orientation option is not set, an orientation
command (ORCM) is input.
06
Check the spindle output switching software option and
Although the output switching option is not set, the low-
power line status signal (RCH).
speed winding is selected (RCH = 1).
07
Check the sequence (CON, SFR, SRV).
Although the Cs contour control mode is specified,
SFR/SRV is not input.
08
Check the sequence (SFR, SRV).
Although the servo mode (rigid tapping, spindle posi-
tioning) is specified, SFR/SRV is not input.
09
Check the sequence (SPSYC, SFR, SRV)
Although spindle synchronization mode is specified,
SFR/SRV is not input.
10
During execution of the C-axis control command, do not
Although Cs contour control mode is set, another op-
specify another operation mode. Before entering anoth-
eration mode (servo mode, spindle synchronization, or
er mode, cancel the Cs contour control command.
orientation) is specified.
11
During execution of the servo mode command, do not
Although servo mode (rigid tapping, or spindle position-
specify another operation mode. Before entering anoth-
ing) is set, another operation mode (Cs contour control,
er mode, cancel the servo mode.
spindle synchronization, or orientation) is specified.
1218
B-63534EN/02
APPENDIX
G. ALARM LIST
SPM
indica-
Faulty location and remedy
Description
tion(*1)
12
During execution of the spindle synchronization com-
Although spindle synchronization is being performed,
mand, do not specify another operation mode. Before
another operation mode (Cs contour control, servo
entering another mode, cancel the spindle synchroniza-
mode, or orientation) is specified.
tion command.
13
During execution of the orientation command, do not
Although the orientation command is being executed,
specify another operation mode. Before entering anoth-
another operation mode (Cs contour control, servo
er mode, cancel the orientation command.
mode, or synchronization) is specified.
14
Input the SFT or SRV signal.
The SFT and SRV signals are both input at the same
time.
15
Check bit 5 of parameter No. 4000 and PMC signal
When bit 5 of parameter No. 4000 is set to 1 to indicate
(CON).
the presence of the differential speed mode function,
Cs contour control is specified.
16
Check bit 5 of parameter No. 4000 and PMC signal
When bit 5 of parameter No. 4000 is set to 0 to indicate
(DEFMD).
the absence of the differential speed mode function, the
differential speed mode command (DEFMD) is input.
17
Check bits 2, 1, and 0 of parameter No. 4011.
Setting of the speed detector parameter (bits 2, 1, and
0 of parameter No. 4011) is invalid. (The corresponding
speed detector is not present.)
18
Check bit 2 of parameter No. 4001 and PMC signal
Although bits 2 of parameter No. 4001 is set to 0 not to
(ORCM).
use the position coder signal, a command for orienta-
tion by a position coder (ORCMA) is input.
19
During execution of the orientation command, do not
Although orientation by a magnetic sensor is being per-
specify another operation mode. Before entering anoth-
formed, another operation mode is specified.
er mode, cancel the orientation command.
20
Check bit 5 of parameter No. 4001, bit 5 of parameter No.
When the use of the slave operation mode function is
4014, and bit 4 of parameter No. 4018.
set (bit 5 of parameter No. 4014 = 1), the use of a high-
resolution magnetic pulse coder (bit 5 of parameter No.
4001 = 1) or the use of the Cs contour control function
by the sensor (bit 4 of parameter No. 4018 = 1) is speci-
fied. These items cannot be set at the same time.
21
Input the slave operation mode command (SLV) in nor-
Although position control (such as servo mode or
mal operation mode.
orientation) is being performed, a slave operation mode
command (SLV) is input.
22
Input the position control command in normal operation
Although slave operation mode is set (SLVS = 1), a
mode
position control command (such as servo mode or
orientation) is input.
23
Check bit 5 of parameter No. 4014 and PMC signal
Although bit 5 of parameter No. 4014 is set to 0 not to
(SLV).
use the slave operation mode function, a slave opera-
tion mode command (SLV) is input.
24
Check the PMC signal (INCMD). Perform orientation by
Orientation is performed in incremental operation mode
specifying an absolute position first.
(INCMD = 1) first, then the absolute position command
(INCMD = 0) is input.
25
Check the spindle amplifier specifications and parameter
Although the spindle amplifier SPM type 4 is not used,
setting (bit 4 of parameter No. 4018).
the use of the Cs contour control function by the sensor
is set (bit 4 of parameter No. 4018 = 1).
NOTE*2
PSM contact signal
Between ESP1 and ESP2 on the PSM
Contact open: Emergency stop
Contact closed: Normal operation
1219
G. ALARM LIST
APPENDIX
B-63534EN/02
12) System alarms
(These alarms cannot be reset with reset key.)
Number
Message
Contents
900
ROM PARITY
A parity error occurred in the CNC, macro, or servo ROM. Correct
the contents of the flash ROM having the displayed number.
910
SRAM PARITY : (BYTE 0)
A RAM parity error occurred in the part program storage RAM. Clear
the RAM, or replace the SRAM module or motherboard. Subse-
911
SRAM PARITY : (BYTE 1)
quently, re-set the parameters and all other data.
912
DRAM PARITY : (BYTE 0)
A RAM parity error occurred in the DRAM module. Replace the
DRAM module.
913
DRAM PARITY : (BYTE 1)
914
DRAM PARITY : (BYTE 2)
915
DRAM PARITY : (BYTE 3)
916
DRAM PARITY : (BYTE 4)
917
DRAM PARITY : (BYTE 5)
918
DRAM PARITY : (BYTE 6)
919
DRAM PARITY : (BYTE 7)
920
SERVO ALARM (1-4 AXIS)
Servo alarm (first to fourth axis). A watchdog alarm condition oc-
curred, or a RAM parity error occurred in the axis control card.
Replace the axis control card.
921
SERVO ALARM (5-8 AXIS)
Servo alarm (fifth to eighth axis). A watchdog alarm condition oc-
curred, or a RAM parity error occurred in the axis control card.
Replace the axis control card.
926
FSSB ALARM
FSSB alarm.
Replace the axis control card.
930
CPU INTERRUPT
CPU error (abnormal interrupt).
The motherboard or CPU card may be faulty.
935
SRAM ECC ERROR
An error occurred in RAM for part program storage.
Action:
Replace the master printed circuit board (SRAM module), perform
all-clear operation, and set all parameter and other data again.
950
PMC SYSTEM ALARM
An error occurred in the PMC.
The PMC control circuit on the motherboard may be faulty.
951
PMC WATCH DOG ALARM
An error occurred in the PMC.
(Watchdog alarm)
The motherboard may be faulty.
972
NMI OCCURRED IN OTHER MOD-
An NMI occurred on a board other than the motherboard.
ULE
The option board may be faulty.
973
NON MASK INTERRUPT
An NMI occurred as a result of an unknown cause.
974
F-BUS ERROR
A bus error occurred on the FANUC bus.
The motherboard or option board may be faulty.
975
BUS ERROR
A bus error occurred on the motherboard.
The motherboard may be faulty.
976
L-BUS ERROR
A bus error occurred on the local bus.
The motherboard may be faulty.
1220