IAI America ERC2 - Manual (Page 164)

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9. T
roubleshooting
141
Code Error name Cause/Action
20C CSTR-ON during operation This message indicates that the start signal (CSTR) was turned ON by the PLC
while the actuator was moving, and that duplicate movement commands
occurred as a result.
20D STP-OFF during operation This message indicates that the pause signal (*STP) was turned OFF by the
PLC while the actuator was moving, and that the movement was disabled as a
result.
20E Soft limit over This message indicates that a soft limit was reached.
210 HOME-ON during operation This message indicates that the home return signal (HOME) was turned ON by
the PLC while the actuator was moving, and that duplicate movement
commands occurred as a result.
221 Write prohibited in monitor
mode
This message indicates that an attempt was made to write data to a position
table or parameter in the monitor mode.
223 Operation prohibited in
monitor mode
This message indicates that an attempt was made to move the actuator in the
monitor mode.
301
302
304
305
306
308
30A
30B
Overrun error (M)
Flaming error (M)
SCIR-QUE OV (M)
SCIS-QUE OV (M)
R-BF OV
Response timeout (M)
Packet R-QUE OV
Packet S-QUE OV
These messages indicate an error in the serial communication with the
controller.
Cause: [1] Garbage data due to the effect of noise
[2] Duplicate slave numbers when multiple controllers are controlled
by serial communication
Action: [1] Adjust the wiring in a manner eliminating the effect of noise and
review the installation of equipment, etc.
[2] Change the slave numbers to avoid duplication.
If the message is still displayed after taking the above actions, please contact
IAI.
307 Memory command refused This message indicates that the command was refused in the serial
communication with the controller.
309 Write address error This message indicates that an indeterminate WRITE address error occurred in
the serial communication with the controller.
These conditions do not occur in normal operation. Should they occur, record
the entire error list before cutting off the power for use in the cause
investigation.
Also contact IAI.
30C No connected axis This message indicates that no controller address is recognized.
Cause: [1] The controller is not operating properly.
[2] Only the supplied communication cable (SGA/SGB) is
disconnected.
[3] If a SIO converter is used, 24 V is supplied to the converter but the
link cable is not connected.
[4] Duplicate slave numbers in a configuration where multiple
controllers are linked.
Action: [1] Check if the RDY LED on the controller is lit. If this LED is unlit,
the controller is faulty.
[2] If a spare teaching pendant is available, replace the current
pendant with the spare unit, or with a PC, and see if the message
disappears.
[3] Connect the link cable between the converter and controller first,
and then supply the power.
[4] Eliminate duplication among slave numbers.
If the message is still displayed after taking the above actions, please contact
IAI.