Error Code List (2000 To 2999) - Mitsubishi MELSEC Q Series Programming Manual

12.1.4

Error code list (2000 to 2999)

The following shows the error messages from the error code 2000 to 2999, the contents and
causes of the errors, and the corrective actions for the errors.
Error
Error Contents and Cause
Code
[UNIT VERIFY ERR.]
In a multiple CPU system, a CPU module
incompatible with the multiple CPU system is
mounted.
■Collateral information
• Common information: Module No.(Slot No.)
• Individual information:-
■Diagnostic Timing
• When an END instruction executed
[UNIT VERIFY ERR.]
The I/O module status is different from the I/O
module information at power ON.
• I/O module (or intelligent function module) is not
installed properly or installed on the base unit.
■Collateral information
• Common information: Module No. (Slot No.) [For
Remote I/O network]
2000
• Network No./Station No.
• Individual information:-
■Diagnostic Timing
• When an END instruction executed
[UNIT VERIFY ERR.]
I/O module information power ON is changed.
• I/O module (or intelligent function module/
special function module) not installed properly or
installed on the base unit.
■Collateral information
• Common information: Module No. (Slot No.)[For
Remote I/O network]Network No./Station No.
• Individual information:-
■Diagnostic Timing
• Always
[UNIT VERIFY ERR.]
During operation, a module was mounted on the
slot where the empty setting of the CPU module
was made.
2001 ■Collateral information
• Common information: Module No. (CPU No.)
• Individual information:-
■Diagnostic Timing
• Always
[BASE LAY ERROR]
• More than applicable number of extension base
units have been used.
• When a GOT was bus-connected, the CPU
module was reset while the power of the GOT
2010
was OFF.
■Collateral information
• Common information: Base No.
• Individual information:-
■Diagnostic Timing
• At power-on/At reset
Corrective Action
Replace the CPU module incompatible with the
multiple CPU system with a CPU module
compatible with the multiple CPU system.
• Read common information of the error using
the programming tool to identify the numeric
value (module No.). Check the module
corresponding to the value and replace it as
necessary.
• Monitor SD150 to SD157 using the
programming tool to identify the module whose
data bit it is "1". Then check the module and
replace it as necessary.
• Read common information of the error using
the programming tool to identify the numeric
value (module No.). Check the module
corresponding to the value and replace it as
necessary.
• Monitor SD1400 to SD1431 with the
programming tool to identify the module whose
data bit it is "1". Then check the module and
replace it as necessary.
• When a GOT is bus-connected to the main
base unit or extension base unit, check the
connection status of the extension cable and
the grounding status of the GOT.
During operation, do not mount a module on the
slot where the empty setting of the CPU module
was made.
• Use the allowable number of extension base
units or less.
• Power on the programmable controller and
GOT again.
LED Status Corresponding
CPU Status CPU
*8
Qn(H)
QnPH
RUN:
Off/On
Q00J/Q00/Q01
ERR.:
Flicker/On
CPU Status:
Stop/
*1
Continue
Qn(H)
QnPH
QnPRH
QnU
RUN:
Off/On
ERR.:
Flicker/On
Q00J/Q00/Q01
QnU
CPU Status:
Stop/
*6
Continue
RUN:
Q00J/Q00/Q01
Off
QnPRH
ERR.:
Q00UJ
Flicker
Q00UCPU
Q01UCPU
CPU Status:
Q02UCPU
Stop
12-21
1
2
3
12
6
6
7
8
*8
*8