IAI MSEL, Instruction Manual, Page: 174 / 234

Chapter 6
Troubleshooting
166
In the panel window, the error numbers follow E in the display.
Error No. Error name Description, action, etc.
900 Blank step shortage error There are not enough blank steps to save step data.
Provide enough blank steps needed to save step data.
901 Step number error The step number is invalid.
902 Symbol-definition table number
error
The symbol-definition table number is invalid.
903 Position number error The position number is invalid.
904 Variable number error The variable number is invalid.
905 Flag number error The flag number is invalid.
906 I/O port/flag number error The I/O port/flag number is invalid.
90A Rejection error during servo-ON [Detail & Cause]
Process unacceptable while the servo is turned ON was
held.
[Countermeasure]
Conduct it after the servo is turned OFF.
90B Rejection error when motor
magnetic pole not detected
[Detail & Cause]
• The motor magnetic pole was not detected.
[Countermeasure]
• Check for interference or restriction in operation, wires,
encoders or motor.
910 Command error (IAI protocol HT
reception)
The command ID is not supported or invalid. (For future
expansion)
911 Message conversion error (IAI
protocol HT reception)
The transmitted message does not match the message
format or contains invalid data. (For future expansion)
912 PC/TP servo-movement
command acceptance-enable
input OFF error
Any axis movement command issued to the axis specified
in I/O parameter No. 78 from the PC/TP will not be
accepted while the input port specified in I/O parameter
No. 77 is OFF. (Important: The acceptance-enable input
port will become invalid once the operation is started.)
913 Multiple-program simultaneous
start prohibition error
Starting of multiple programs is prohibited.
916 Non-mounted device indication
error
The indicated device is not mounted.
930 Coordinate system number error The coordinate system number is invalid.
931 Coordinate system type error The coordinate system type is invalid.
932 Coordinate system definition data
count-specification error
The specified number of coordinate system definition data
is invalid.
933 Axis number error The axis number is invalid.
935 Positioning operation type error There is an error in the SCARA ABS reset special
movement operation type.
936 Simple interference check zone
number error
The positioning operation type is invalid.
* It is an error only for SCARA
938 Simple interference check zone
data count-specification error
The simple contact check zone number is invalid.
* It is an error only for SCARA
939 Detection of entry into simple
interference check zone
(Message level specification)
The specified number of simple contact check zone data is
invalid.
* It is an error only for SCARA
Message level errors
93A R- axis CP Job forbidden error out
of operation range (When tool XY
offset is valid)
Move each axis into the operation range with JOG
operation.
* It is an error only for SCARA