
B–61863E/15
M. ALARM MESSAGE LISTAPPENDIX
1555
Alarm messages 2 (alarm screen)
Message Contents and solution
ER18 PROGRAM DATA ERROR BY I/O Transferring the sequence program from offline programmer was
interrupted by the power off etc.
(solution) Please clear the sequence program and transfer the se-
quence program again.
ER19 LADDER DATA ERROR Editing the LADDER was interrupted by the power off or by the switch to
the CNC screen by the function key etc.
(solution) Please edit LADDER once on PMC.
Or, please input LADDER again.
ER20 SYMBOL/ COMMENT DATA ERROR Editing the symbol and comment was interrupted by the power off or by
the switch to the CNC screen by the function key etc.
(solution) Please edit symbol and comment once on PMC.
Or, please input symbol and comment again.
ER21 MESSAGE DATA ERROR Editing the message data was interrupted by the power off or the switch to
the CNC screen by the function key etc.
(solution) Please edit message data once on PMC.
Or, please input message data again.
ER22 PROGRAM NOTHING
or
ER 22 NO PROGRAM(In case of PMC–NB6)
There is no sequence program.
(solution) Load a proper program at I/O screen or create program at LAD-
DER Diagram Editor screen. After a program is loaded or
created, you have to write it to flash ROM not to lose it at power
off.
ER23 PLEASE TURN OFF POWER There is a change in setting LADDER MAX AREA SIZE etc.
(solution) Please restart the system to make the change effective.
ER24 LADDER, LANGUAGE AREA OVERLAP The ladder area overlaps the C language area.
(solution) Adjust the C program address range.
ER25 SOFTWARE VERSION ERROR (xx) xx=PMCAOPT : The version in the PMC–SB management software
does not match.
xx=PMCBAS–2 : The version in the PMC–NB6 management software
does not match.
ER26 PMC CONTROL MODULE ERROT (xx) xx=PMCAOPT : The PMC–SB management software has not been
initialized.
xx=PMCBAS–2 : The PMC–NB6 management software has not been
initialized.
ER27 LADDER FUNC. PRM IS OUT OF RANGE Modify the sequence program. Change the parameter number of the
function instruction to a value within the valid range.
(solution) An out–of–range parameter number is specified with function
instruction TMR, TMRB, CTR, DIFU, or DIFD.
ER28 NO OPTION(I/O LINK EXPANSION) Sequence Program has 2 channels of I/O Link, but the option of I/O Link
expansion is not provided.
(solution) To use only I/O Link channel 1, use sequence program for only
channel 1. To use the I/O Link channel 2, the option of the I/O
Link expansion is necessary.
ER29 NO SUPPORT HARDWARE(I/O LINK
2CH)
The I/O Link 2–channel is not supported by the edition of printed circuit
board.
(solution) To use only the I/O Link channel 1, use sequence program for
only channel 1. To use the I/O Link channel 2, exchange main
CPU board with one which supports the I/O Link 2– channel.
ER32 NO I/O DEVICE Any I/O Unit or the connection unit etc. is not connected on each channel.
When built–in I/O card is connected, this message is not displayed.
(solution) When built–in I/O card is used:
Please confirm whether the built–in I/O card is certainly con-
nected with.
When I/O Link is used:
Please confirm whether the DI/DO units turning on. Or please
confirm the connection of the cable.