D-73
D.6 Fault Code
Code ID Description Corrective Actions
PLod 20
When downloading PLC
program the elements of the
codes exceed its range, it will
show Plod fault. For example,
the supportive range of T
elements is T0~T15, when there
is T16 in the syntax, it will show
Plod fault.
Check if the program is fault and download
the program again
PLSv 21
In executing PLC program, it will
show PLSv fault when PLC
would like to write data to
appointed address but found the
address is unreasonable.
Check if there’s any fault in the program
and download the program again
PLdA 22
In executing PLC program, it will
show PLdA fault when external
MODBUS read or write
unreasonable elements to
internal PLC.
Make sure the command from the host
controller is correct.
PLFn 23
In downloading program, it will
show PLFn fault when it found
the unsupportive command.
Make sure if WPL version is too old, and
download the latest version from Delta
website.
PLor 30
In executing PLC program, it will
show PLor fault when it found
there is abnormal code inside
the program.
Reset PLC program(set 6 in
Pr00.02).Power on again and download
program again
PLFF 31
It will show PLFF fault when the
corresponding command is
unreasonable in executing PLC
program.
When activating PLC function, it will show
PLFF if there is no internal PLC program. It
is normal status, and please download the
program directly
PLSn 32
It will show PLSn fault when
finding check sum is fault in
executing PLC program
Reset PLC program(set 6 in
Pr00.02).Power on again and download
program again
PLEd 33
It will show PLEd fault when
finding there is no END
command in the code in
executing PLC program
Reset PLC program(set 6 in
Pr00.02).Power on again and download
program again
PLCr 34
The command MC is continuous
used more than nine times
Check if there’s any fault in the program
and download the program again
*ID : Warning code
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