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6-3. Error Codes
6-3. Error Codes
• When the ERR. LED turns ON, a total-check error or self-diagnostic error has occurred. The causes of the error can
be known by checking the error code in “1. Table of Total-check Error Codes” or “2. Table of Self-diagnostic Error
Codes” in this section.
• For details about the error checking procedure, refer to page 115, “
■
When an ERR. LED in ON”.
1. Table of Total-check Error Codes
Error
code
E1
E2
E3
E4
E5
E8
Name of error
Syntax error
(SYNTAX)
Duplicated
output error
(DUP USE)
Not paired error
(PAIR)
System register
parameter error
(MISMATCH)
Program area
error
(PRG AREA)
Operand error
(OPR COMBI)
Description
Instruction is incorrectly
programmed.
Two or more
OT
and
KP
instructions are programmed
using same relay.
One of the instructions,
which must be paired, is
missing (e.g.,
JP
and
LBL
).
The paired instruction sets
may have been programmed
in the incorrect order (e.g.,
MC
and
MCE
).
The operand for the
instruction is out of the
range set in the system
register.
The instruction has been
programmed in the incorrect
position (e.g.,
INT
and
IRET
instructions are programmed
at the address before the
ED
instruction).
Incorrect operand has been
entered for the instruction.
Step to take
Set the mode of FP-M to PROG. and
input the instruction correctly,
referring to the description for the
instruction.
Set the mode of FP-M to PROG. and
correct the program so that one relay
is not used for two or more
OT
and
KP
instructions. This error can be
disregarded by changing the system
register 20 setting to K1 (ENAB).
Set the mode of FP-M to PROG. and
program the missing instruction.
Program the instruction sets in the
proper order, referring to the
description of the instruction.
Set the mode of FP-M to PROG. and
check the system register parameter
using a FP Programmer
II
(OP50) or
NPST-GR Software (1. SYSTEM
REGISTER in the PLC
CONFIGURATION).
Set the mode of FP-M to PROG. and
program the instruction in the proper
position, referring to the description
of the instruction.
Set the mode of FP-M to PROG. and
program the instruction using the
correct operand, referring to the
description of the instruction.
Summary of Contents for FP-M Hardware
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