Mitsubishi QJ71LP21 Reference Manual page 364

8 TROUBLESHOOTING
Error
Error
Code
Messages
*1
(SD0)
*9
9000 F****
<CHK>ERR
9010
*10
***-***
9020 BOOT OK
CONT. UNIT
10000
ERROR
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
*9 : **** indicates the detected annunciator No.
*10 : ***_*** indicates the detected contact and coil No.
*11 : For the Basic model QCPU, it can be turned off by the LED indication priority setting special register
(SD207 to SD209). (Only turned off for the High Performance model QCPU, Process CPU or Redundant
CPU.)
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Common Individual
Information Information
(SD5 to 15) (SD16 to 26)
Program error Annunciator
location number
Program error
Failure No.
location
---- ----
---- ----
LED Status Operating
Statuses
RUN ERROR
of CPU
On/
On
*11
Off
Continue
USER LED On
On Off
Continue
USER LED On
Off Flicker Stop
Off Flicker Continue
MELSEC-Q
Diagnostic
Timing
When
instruction
executed.
When
instruction
executed.
At power ON/
At reset
Always
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