Mitsubishi Q Series User Manual page 225

8 TROUBLESHOOTING
(2) Error Code List
Error code
(hexadecim Error type
*1
al)
• Write to the area write-enabled
in the setting mode only was
performed in the operation
mode.
• Any of the following error codes
occurred during setting mode;
however, the mode is changed
to operation mode without
3
H
resetting the error.
• Write data error to input range
• Write error to alert mode
• Data outside the setting range
was written.
4
H
Write data
error
• The setting of the upper/lower
output limiter or upper/lower
setting limiter is illegal.
5
H
• The set value was changed
during default setting
registration.
6
H
*1
8 - 2
Cause
• The written data is held as
• If data are written to
(error code: 0204 , 0404 )
H H
setting (error code: 0C04 ,
H
0C14 , 0C24 , 0C34 ,
H H H
0D04 , 0D14 , 0D24 ,
H H H
0D34 )
H
• The written data is held as
• When write area setting is
• If multiple data outside the
• The written data is held as
• The upper and lower limit
• If data are written to
• The written data is ignored.
• Any set value cannot be
• If another write error
The buffer memory address occurring write data error is displayed at "
hexadecimal.
Example) "0234 " expresses that data out of the range are written to proportional
H
band (P) setting (buffer memory address: 35 (23
Error-time operation
• Make error rest in the following
is. procedure:
1) Choose the setting mode.
multiple write areas, the 2) Set a correct value.
smallest buffer memory 3) Make error reset.
address among the ones • When changing from the operation mode
where data were to the setting mode, make sure that the
mistakenly written is stored PID continuation flag (buffer memory
by priority. address: 169) is 0 (STOP), and turn off
the setting/operation mode command
(Yn1).
• Set data within the range.
is.
over the upper and lower
limit values, the upper and
lower limit values are used
to exercise the control.
setting range were written,
the smallest buffer memory
address among the ones
where data were
mistakenly written is stored
by priority.
• Make setting so that the upper limit value
is. is greater than the lower limit value.
values that may be set are
used to exercise control.
multiple limiter setting area,
the smallest buffer memory
address among the ones
where data were
mistakenly written is stored
by priority.
• After making error reset command (Yn2:
ON), change the set value.
changed until error reset is
made.
occurs, error code (the
buffer memory address: 0)
data does not change.
MELSEC-Q
Corrective action
" in
)).
H
8 - 2
8