Mitsubishi L26CPU-BT, User Manual

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15 TROUBLESHOOTING
Detectability Error code
(hexadecimal)
Error details Cause of error occurrence (details) Corrective action
Master station Local station
B311 Data link stop error
Data link stop (SB0002) was executed
for the station that had stopped a data
link. Execute Data link stop
(SB0002) for the station that is
performing a data link.
B312
Standby master station
absence error
Forced master to standby master
switching (SB000C) was executed in the
system where no standby master station
exists or in the system where the standby
master station had become faulty.
After starting the data link of the
standby master station, execute
Forced master to standby
master switching (SB000C).
B313 All station fault error
Forced master to standby master
switching (SB000C) was executed in the
system where all stations had become
faulty. After starting the data link of the
standby master station, execute
Forced master to standby
master switching (SB000C).
B314 Switching target error
Forced master to standby master
switching (SB000C) was executed for
any station other than the master station.
Execute Forced master to
standby master switching
(SB000C) for the master
station.
B315
Forced master station switching
error
Forced master switching (SB000C) was
instructed again while the master station
was being switched to the standby
master station.
Check ON/OFF of Forced
master switching (SB000C).
B317
Network startup setting mode
error
The G(P).RLPASET instruction was
executed for a module whose
parameters have been set by GX
Works2.
The parameter setting was changed
without turning the power supply to the
programmable controller system off and
back on, or resetting the programmable
controller CPU.
Use the G(P).RLPASET
instruction according to the
procedure below.
1. Clear the settings of the
network parameters and
refresh parameters of the
target module using GX
Works2.
2. Set the type of I/O
assignment setting in GX
Works2 to "intelligent".
3. Set switch 4 of the intelligent
function module switch
setting in GX Works2 to
0100
H
.
4. Turn the power supply to the
programmable controller
system off and back on, or
reset the programmable
controller CPU.
B31A Data linking
Data link has already been started when
the master station duplication error
cancelling is instructed. Do not instruct the master
station duplication error
cancelling during data linking.
B31B
Transmission speed test
execution error The transmission speed test was
executed during data link. Stop Data link and then execute
the transmission speed test.
B31C
B31D
System error ———
Please consult your local
Mitsubishi representative.
B31E Status logging start error
Logging started while the log was being
cleared. Execute logging after clearing
the logs.
B31F Status logging clear error Log was cleared while logging.
Stop logging and then clear the
logs.
B320 Status logging mode invalid
The logging or log clear was executed In
the remote I/O net mode.
Set to the remote net mode,
and then start the logging or log
clear.
B321 System error ———
Please consult your local
Mitsubishi representative.
B322
Status logging flash ROM clear
invalid During data link, the logs were cleared
with "RAM + FlashROM" checked. Stop the data link and then
clear the logs.
B323
Status logging flash ROM clear
incomplete
Clear of the logs was attempted with
"RAM + FlashROM" checked, but logging
started even though the clear was
incomplete.
Clear the logs again with "RAM
+ FlashROM" checked.
B324
Status logging flash ROM
storage error
The logs were attempted to be stored in
the flash ROM even though the logs
could not be stored in flash ROM.
After clearing the logs with
"RAM + FlashROM" checked,
start logging.
Or, start the logging with “RAM”
checked.
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