Errors and Alarm Troubleshooting Section 7-1 193 - Support

Errors and Alarm Troubleshooting Section 7-1 193 - Support
Section
Errors and Alarm Troubleshooting
7-1
Errors that occur during initial processing (at CPU Unit power ON or restart of the Loop Control Unit)
LED
RUN
ERH
ERC
Out
Lit
Out
Item
Unit
number
setting
error
State
1) The same unit
All functions
number has been
stopped
specified twice or
more on the same
CPU Unit.
2) The unit number is
not registered to CPU
Unit I/O table.
3) Failed to recognize
the CPU Unit
Error code
(stored as
Remedy
error log data)
None
1) Set the correct unit
number, and turn the
power back ON again.
0006 detailed 2) Prepare an I/O table.
code: 0800
None
4) Error occurred during
initial processing on
CPU Unit.
Initial
Failed to recognize the All functions
recognition CPU Unit
stopped
error
000F
All functions
stopped
None
All functions
stopped
None
Out
Lit
Lit
Out
Out
Lit
Unit error
Out
Out
Out
Power
supply
failure
Lit
Function
block
database
error
(not
(not
related) related)
Cause
Hardware malfunction
such as memory
malfunction was
detected during the selfdiagnostic test.
1) The correct internal
power is not being
supplied to the Loop
Control Unit.
None
3) Replace the Loop
Control Unit if ERH lights
even if mounted on a
different CPU Unit.
4) Refer to the CPU Unit
Operation Manual.
Replace the Loop Control
Unit if ERH/ERC light even
if mounted on a different
CPU Unit.
Replace the Loop Control
Unit if ERC lights even if
mounted on a different
CPU Unit.
1) Check the power
voltage, and supply the
correct power. Or, check
the total current
consumption of the PC.
2) The unit is not
2) Firmly fix the Loop
properly fixed to the
Control Unit on the
Backplane.
Backplane.
3) The unit is
3) Replace the Loop
malfunctioning.
Control Unit if LED goes
off even if mounted on a
different CPU Unit.
1) Drop in internal
All functions 0331
1) Check the battery
battery power voltage stopped
Detailed code:
connection. If the
or battery not
Running
Block
connection is normal,
mounted (Only when stopped
address.
replace the battery.
DIP switch pin 2 is
FFFF
Then execute
OFF)
indicates that
initialization using CXthe entire
Process Tool.
2) Data corruption
In the case of database is in 2) Set the data again to
caused by noise
only a partial error.
the function block in
error, running
question using CXis stopped
Process Tool.
only at the
function block
in question.
193
Section
Errors and Alarm Troubleshooting
7-1
Error that occur during regular running
LED
RUN
ERH
ERC
Lit
Out
Out
Out
Out
Out
Item
Cause
Normal
CPU Unit running
Normal or Running stopped
load rate One of the following:
exceeded
Regular running
at
stop
operation
Running
Fatal error on
cycle of
stopped
CPU Unit
two
seconds
CPU Unit in
standby mode
Load rate
(not
(not
related) related)
Lit
Function
block
database
error
(not
(not Blinking Battery
related) related)
error
(not
related)
194
Lit
State
(not CPU Unit
related) error
1)
exceeded at
operation cycle of 2)
2s (Operation
Cycle Automatic
Switching
Generation flag is
ON)
Data corruption
1)
caused by noise
2)
Running
stopped
ITEM068
of System
Common
block is 1
(ON).
Error code
(stored as
error log data)
None
None
Remedy
Cancel the fatal error
referring to the CPU Unit
Operation Manual.
Cancel the standby mode
referring to the CPU Unit
Operation Manual.
Add on another Loop
Control Unit, and distribute
processing between Loop
Control Units.
0331
Running
Execute initialization using
Detailed code: CX-Process Tool.
stopped
In the case of Block
Set the data again to the
only a partial address.
function block in question
FFFF
error,
using CX-Process Tool.
operation is indicates that
stopped only the entire
database is in
at the
error.
function
block in
question.
Battery not mounted or Running
0330
Check the battery
drop in internal battery continued
connection. If the
power voltage (Only
connection is normal,
when DIP switch pin 2
replace the battery.
is OFF)
1) 0001
Refer to the CPU Unit
One of the following Running
2) 0002
Operation Manual.
errors occurred on the stopped
3) 000E
CPU Unit:
1) WDT error
2) Cyclic
monitoring
error
3) Bus error
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