IAI MSEL, Instruction Manual, Page: 177 / 234

Chapter 6
Troubleshooting
169
In the panel window, the error numbers follow E in the display.
Error No. Error name Description, action, etc.
A40 Data change refusal error during
flash ROM write
Data cannot be changed while the flash ROM is being
written.
A41 Duplicate flash-ROM write
commands refusal error
Another flash-ROM write command was received while the
flash ROM was being written.
A42 Direct monitor prohibition error
during flash ROM write
Direct monitor is prohibited while the flash ROM is being
written.
A43 P0/P3-area direct monitor
prohibition error
Direct monitor in the P0/P3 areas is prohibited.
A44 Position-data count specification
error
The specified number of position data is invalid.
A45 Symbol-record count specification
error
The specified number of symbol records is invalid.
A46 Variable-data count specification
error
The specified number of variable data is invalid.
A48 Error-detail query type 1 error Error-detail query type 1 is invalid.
A49 Error-detail query type 2 error Error-detail query type 2 is invalid.
A4B Monitoring-record count
specification error
The specified number of records for monitoring data query
is invalid.
A4E Parameter register busy error at
issuance of slave command
The driver special command ACK generated a timeout at
issuance of a slave command.
A4F Software reset refusal error during
operation
Software reset (SIO) is prohibited during operation
(program is running, servo is in use, etc.).
A50 Drive-source recovery request
refusal error
The drive-source cutoff factor (error, deadman switch,
safety gate, emergency stop, etc.) has not been removed.
A51 Operation-pause reset request
refusal error
The all-operation-pause factor (drive-source cutoff,
operation-pause signal, deadman switch, safety gate,
emergency stop, etc.) has not been removed.
A53 Refusal error due to servo ON A processing not permitted during servo ON was
attempted.
A54 Refusal error due to unsupported
function
The function is not supported.
A55 Refusal error due to exclusive
manufacturer function
A processing not opened to users other than the
manufacturer was attempted.
A56 Refusal error due to invalid data The data is invalid.
A57 Program start duplication error An attempt was made to start a program currently running.
A58 BCD error warning The BCD value being read may be invalid, or the value
being written (variable 99) may be a negative value,
among other reasons.
A59 IN/OUT command port flag error
warning
The number of I/O ports (flags) may have exceeded 32,
among other reasons. Check the I/O port (flag)
specifications.
A5B Character-string → value
conversion error warning
The specified number of converting characters is invalid or
characters that cannot be converted to value are included.
A5C Copying-character count error
warning with SCPY command
The specified number of copying characters is invalid.
A5D SCIF open error in non-AUTO
mode
The channel was opened in a non-AUTO mode. In the
MANU mode, the PC/TP connection must be forcibly
disconnected before opening the serial channel opened to
the user. Exercise caution.
A5E I/O-port/flag count specification
error
The specified number of I/O ports/flags is invalid.
A5F Fieldbus error (LERROR-ON) A LERROR-ON was detected.
A60 Fieldbus error (LERROR-BLINK) A LERROR-BLINK was detected.
Message level errors
A61 Fieldbus error (HERROR-ON) A HERROR-ON was detected.