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9 TROUBLESHOOTING
9.3 List of Errors
The following table shows the error details and remedies to be taken when an error
occurs.
Error code
Error name
000
Normal status
Overflow error
100
Comparison output
setting range outside
200
error
Movement averaging
setting range outside
300
error
Pre-scale setting range
400
outside error
Alarm output setting
500
range outside error
Count cycle setting
600
range outside error
9 - 8
Error
When the linear counter was selected, the
accumulating count value exceeded
99999999.
The value set in the "comparison output
selection" or "comparison output setting
value" of the buffer memory is outside the
setting range.
The value set in the "movement averaging
processing selection" or "number of
movement averaging processing" of the
buffer memory is outside the setting range.
The value set in the "pre-scale function
selection" or "pre-scale setting value" of the
buffer memory is outside the setting range.
• The value set in the "alarm output
selection", "alarm output setting value
upper/upper limit", "alarm output setting
value upper/lower limit", "alarm output
setting value lower/upper limit" or "alarm
output setting value lower/lower limit" of
the buffer memory is outside the setting
range.
• The upper and lower relationships
between the "alarm output setting values"
of the buffer memory are illegal.
The value set in the "count cycle change
function selection" or "count cycle setting
value" of the buffer memory is outside the
setting range.
MELSEC-Q
Operation status at error occurrence
Count operation is stopped.
Count operation cannot be started.
9 - 8
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