11 Troubleshooting
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103
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11.2 Error messages
When setting data or when operating the motor, error messages may be displayed on the HyperTerminal.
When an error message is displayed, check the status of the controller and motor.
Error message
Meaning
Possible cause and
remedial action
Reference
Can not Overwrite
The sequence program
already exists, and the
program cannot be
overwritten.
Specify a different
sequence program or
delete the current program,
and then download again.
DWNLD
command
Command disable
while executing.
•
Unacceptable command
has been received from the
HyperTerminal while
executing the sequence
program. An error
message will be displayed
but the sequence program
will not stop.
•
Description in the
sequence program is
incorrect. Operation
command, ID command or
UNIT command is detected
between a SCAN
command and a command
that stops continuous
operation. The motor
decelerates to a stop and
the sequence program
stops.
•
The START input turned on
when a sequence program
was being executed.
•
An operation command
was input from
HyperTerminal when a
sequence program was
being executed.
•
An operation command
was input from
HyperTerminal when the
READY output was off.
•
Enter a correct command.
•
Correct the sequence
program.
•
Turn on the START input
after the sequence
program is completed.
•
Input the operation
command after the
sequence program is
completed.
•
To abort the sequence
program, turn on the
S-STOP input or press the
ESC key on the PC
keyboard.
•
Check if the START input
remains on.
Command is not
allowed in immediate
mode.
A command that cannot be
entered directly has been
received.
Enter a command that can
be entered directly.
Command is not
allowed in program
mode.
The command entered from
the sequence program is not
executable. A command that
cannot be entered via a
sequence program exists in
the sequence program.
Enter commands that can
be entered from a
sequence program.
Содержание EMP400 Series
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