Mitsubishi Electronics Mitsubishi Digital Electronics Electronic Accessory Q02CPU ユーザーズマニュアル
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MELSEC-Q
11 TROUBLESHOOTING
Error Code List (Continued)
LED Status
Error Code
(SD0)
1
Error Messages
Common
Information
(SD5 to 15)
1
Individual
Information
(SD16 to 26)
1
RUN ERROR
Operating
Statuses of
CPU
Diagnostic Timing
At power ON/At reset/
When intelligent function module
is accessed.
When intelligent function module
is accessed.
1401
SP. UNIT DOWN
Unit/module No.
———
Off/On
Flicker/On
Stop/
Continue
3
At power ON/At reset
When an intelligent function
module access instruction is
executed.
module access instruction is
executed.
1402
Program error location
During execution of FROM/TO
instruction set.
instruction set.
1403
SP. UNIT DOWN
Unit/module No.
———
Off/On Flicker/On
Stop/
Continue
6
When an END instruction is
executed.
executed.
1411
At power ON/At reset
1412
CONTROL-BUS ERR.
Unit/module No.
Program error location
Off
Flicker
Stop
During execution of FROM/TO
instruction set.
instruction set.
1413 CONTROL-BUS.
ERR.
———
———
off
Flicker Stop Always
CONTROL-BUS. ERR.
Unit/module No.
———
Off
Flicker
Stop
When an END instruction is
executed.
executed.
1414
——— off
Flicker
Stop
When an END instruction is
executed
executed
1415 Base
No.
When an END instruction is
executed
executed
1416
CONTROL-BUS. ERR.
Unit/module No.
———
Off Flicker Stop
At power ON/At reset
1421
SYS. UNIT DOWN
3 ———
———
off
Flicker
Stop
Always
1500 AC
DOWN
———
———
On
Off Continue
Always
1510
DUAL DC DOWN
5V
5V
4
——— ———
on
on
Continue
Always
1520
DC DOWN 5V
5 ———
———
off
Flicker
Stop
Always
1530
DC DOWN 24V
3 ———
——— on
on
Continue
Always
1600
ON On
1601
1602
BATTERY ERROR
Drive Name
———
BAT.ALM LED On
Continue Always
2000
UNIT VERIFY ERR.
Unit/module No.
———
Off/On
Flicker/On
Stop/
Continue
2
When an END instruction is
executed.
executed.
1 Characters in parentheses ( ) indicate the special register numbers where individual information is being stored.
2 The CPU module operation status when an error occurs can be set at the parameters. (LED display will change accordingly.)
3 This can only be detected in redundant systems. Detection is possible in either the control system or the standby system.
4 This can only be detected in the redundant system control system.
5 This can be detected in either a standalone system or a redundant system. However, in a redundant system it can only be detected in the control system.
6 Stop/continue operation is selectable for each module by setting parameters.
2 The CPU module operation status when an error occurs can be set at the parameters. (LED display will change accordingly.)
3 This can only be detected in redundant systems. Detection is possible in either the control system or the standby system.
4 This can only be detected in the redundant system control system.
5 This can be detected in either a standalone system or a redundant system. However, in a redundant system it can only be detected in the control system.
6 Stop/continue operation is selectable for each module by setting parameters.