8.3 Alarm Message List
8-108
4628 WRITE
VARIABLE NO.
MULTI SETTING
--- An error in the variable number set-
ting.
• Duplicated usage of the written
destination variable numbers.
(Subcode: Duplicated variable
number)
Correct the written destination variable num-
bers.
4629
GROUP
CHANGE
ERROR
An error occurred when executing the group
change function.
Validate the group change parameter.
1 • The group change parameter was
invalid.
2 • The GRPCHG instruction was
executed while the external axis
motor was servo ON.
Execute the GRPCHG instruction when the
external axis motor was servo OFF.
3 • The GRPCHG instruction was
executed in unchuck status.
Execute the GRPCHG instruction in chuck
status.
4 • The group identification signal
was not received.
Check the group identification signal.
5 • The specified control group num-
ber and the group identification
number were unmatched.
Check the specified control group number.
6 • The encoder PG power supply
was OFF when the GRPCHG was
ON.
Turn ON the encoder PG power supply when
GRPCHG is ON.
7 • The encoder PG power supply
was ON when the GRPCHG was
OFF.
Turn OFF the encoder PG power supply
when GRPCHG is OFF.
8 • The control group that corre-
sponded to the received group
identification signal did not exist.
Check the group identification signal.
4630 DUPLICATED
GUN NUMBER
--- The gun numbers were overlapped
when executing a SVSPOT instruc-
tion. (Subcode: The overlapped
gun number)
Check the gun numbers.
4632 UNDEFINED
LNR SCALE FILE
--- The linear scale characteristic file is
not set. (Subcode: Linear scale
characteristic file number)
Set the linear scale characteristic file.
4633 FOLLOWING
ERROR
1 An error occurred when executing a
FOLLOW instruction.
• An attempt was made to re-exe-
cute the FOLLOW instruction
after interrupting it.
Re-execute the move instruction executed
before the FOLLOW instruction, and then re-
execute the FOLLOW instruction.
4634 FOLLOWING
SPEED OVER
0 The manipulator motion speed
exceeded the limit during the Fol-
lowing motion.
• With the specified bending speed,
the manipulator motion speed
exceeds the maximum speed.
• Reduce the bending speed.
• Perform the teaching again so that the
manipulator moving distance becomes
shorter.
4635 CANNOT
EXECUTE
COMMON JOB
--- The called job could not be exe-
cuted because the specified control
group was shared with the called
job. (Subcode: The related control-
group)
Correct the control group specified by the
CALL instruction.
4636 THICKNESS
ERROR
--- Incorrect workpiece thickness
(Sub code: Gun number)
4637 TRACK CHG
WORK IN/NOT
NOT FOUND
--- No workpiece presence/absence
data at switching the synchroniza-
tion section. (Subcode: Conveyor
characteristic file number)
Check the workpiece presence/absence data
for the synchronization section.
Alarm Message List
Alarm
Number
Message
Sub
Code
Cause Remedy