User`s manual
Troubleshooting Error code list
11 – 58
3015
PAR AME TE R E RROR
In a multiple CPU system configuration, the CPU
verified is different from the one set in the para-
meter setting.
Collateral information
Common Information: File name/Drive name
Individual Information:
Parameter No./CPU No.
Diagnostic Timing
At power ON/At reset/STOP
→
RUN/At writing to
programmable controller
Read the individual information of the error
using GX (IEC) Developer, check the parameter
item corresponding to the numerical value
(parameter No./CPU No.) and parameter of tar-
get CPU, and correct them.
OFF Flicker Stop QnU (except
Q00UJ-, Q00U-,
Q01U- and
Q02UCPU)
3016
PAR AME TE R E RROR
The CPU module incompatible with multiple CPU
synchronized boot-up is set as the target for the
synchronized boot-up in the [Multiple CPU syn-
chronous startup setting].
Collateral information
Common Information: File name/Drive name
Individual Information:
Parameter No./CPU No.
Diagnostic Timing
At power ON/At reset/At writing to program-
mable controller
Delete the CPU module incompatible with multi-
ple CPU synchronized boot-up from the setting.
OFF Flicker Stop QnU (except
Q00UJ-, Q00U-,
Q01U- and
Q02UCPU)
3040
PAR AME TE R E RROR
The parameter file is damaged.
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
At power ON/At reset
With GX (IEC) Developer, write [PLC parameter/
Network parameter/Remote password] to a valid
drive then reload the power supply for system
and/or reset the CPU module. If the same error
occurs, it is thought to be a hardware error.
Contact your local Mitsubishi representative.
OFF Flicker Stop Qn(H) (first 5
digits of serial
No. is 07032 or
later)
QnPH (first 5
digits of serial
No. is 07032 or
later)
QnPRH (first 5
digits of serial
No. is 07032 or
later)
3041
PAR AME TE R E RROR
Parameter file of intelligent function module is
damaged.
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
At power ON/At reset
With GX (IEC) Developer, write [Intelligent func-
tion module parameter] to a valid drive then
reload the power supply for system and/or reset
the CPU module. If the same error occurs, it is
thought to be a hardware error.
Contact your local Mitsubishi representative.
OFF Flicker Stop
3042
PAR AME TE R E RROR
The system file that stored the remote password
setting information is damaged.
Collateral information
Common Information: —
Individual Information: —
Diagnostic Timing
At power ON/At reset
With GX (IEC) Developer, write [PLC parame-
ter/Network parameter/Remote password] to
a valid drive then reload the power supply for
system and/or reset the CPU module. If the
same error occurs, it is thought to be a hard-
ware error.
Contact your local Mitsubishi representative.
– When a valid drive for parameter is set to
other than [program memory], set the param-
eter file (PARAM) at the boot file setting to be
able to transmit to the program memory.
With GX (IEC) Developer, write [PLC parame-
ter/Network parameter/Remote password] to
a valid drive then reload the power supply for
system and/or reset the CPU module. If the
same error occurs, it is thought to be a hard-
ware error.
Contact your local Mitsubishi representative.
OFF Flicker Stop
Error
code
Error contents and cause Corrective action
LED status
CPU
status
Corre-
sponding
CPU
RUN ERR.
Tab. 11-5: Error code list (3000 to 3999) for PLC CPUs of MELSEC System Q