Operating Instructions

Warning Codes
Digital Keypad RT-KEYPAD
288 | 443
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
The program detects checksum error
during PLC operation
Disable PLC
Reset the PLC program (Pr.00-02=6)
Enable PLC
Re-download the PLC program
ID No.
Display on LCD Keypad
Warning Name
Description
57
No end command (PLEd)
PLC end command is missing
Action and Reset
Action level
The End command is missing until the last command is executed, the PLEd warning occurs.
Action time
Immediately act when the fault is detected
Warning setting parameter
NA
Reset method
Check if the program is correct and download the program again. If the fault does not exist, the
warning automatically clears.
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
There is no END command during PLC
operation
Disable PLC
Reset the PLC program (Pr.00-02=6)
Enable PLC
Re-download the PLC program
ID No.
Display on LCD Keypad
Warning Name
Description
58
PLC MCR error
(PLCr)
PLC MCR command error
Action and Reset
Action level
The MC command is detected during PLC operation, but there is no corresponding MCR
command, then the PLCr warning occurs.
Action time
Immediately act when the fault is detected
Warning setting parameter
NA
Reset method
Check if the program is correct and download the program again. If the fault does not exist, the
warning automatically clears.