Error Messages and Alarm Outputs
Section 5-1
Non-fatal Errors
Item
Cause
CPU indicators
Peripheral
Device error
Power RUN ERROR WDT ALARM OUT INT COMM
message
System error
(FAL)
Program has ex-
ecuted FAL
Lit
Lit
Unlit
Unlit Lit
---
---
SYSTEM ERR
FAL
JMP error
Destination of JMP/ Lit
CJP/CJPN is miss-
ing.
Lit
Unlit
Unlit Lit
---
---
JMP ERR
Indirect DM
BCD error
Data for indirectly
addressed DM is
not BCD.
Lit
Lit
Lit
Lit
Unlit
Unlit
Unlit
Unlit Lit
Unlit Lit
Unlit Lit
---
---
---
---
---
---
INDIRECT DM
BCD ERR
Non-fatal SFC
error
Error has occurred Lit
during SFC execu-
tion.
SFC CONTIN-
UE
ERR
I/O verification
error
I/O table contains a Lit
different number of
I/O points than is
I/O VERIFY
ERR
actually mounted.
CPU Bus Unit
error
Parity error occurs
during data transfer
between CPU and
CPU Bus Unit.
Lit
Lit
Lit
Lit
Lit
Lit
Lit
Lit
Lit
Lit
Unlit
Unlit
Unlit
Unlit
Unlit
Unlit Lit
Unlit Lit
Unlit Lit
Unlit Lit
Unlit Lit
---
---
---
---
---
---
---
---
---
---
CPU SPECIAL
UNIT ERR
SYSMAC
BUS/2 error
Error occurs be-
tween Master and
Slave in SYSMAC
BUS/2.
SYSMAC
BUS/2 ERR
SYSMAC BUS Error occurs be-
error
SYSMAC BUS
ERR
tween Master and
Slave in SYSMAC
BUS.
Battery failure
Battery of CPU or
Memory Card is not
connected or bat-
tery voltage is low.
BATTERY ERR
CPU Bus Unit
setting error
Number assigned
to CPU Bus Unit
does not agree with
registered unit
number.
CPU SPECIAL
UNIT SETTING
ERR
Momentary
Momentary power
Lit
Lit
Unlit
Unlit Lit
---
---
PROTECTED
power interrup- interruption oc-
tion
curred (when spe-
cified as error by in
PC Setup)
Output inhibit
(*)
Bit A00015 is ON.
Lit
Lit
Lit
Unlit
Unlit
Unlit ---
Unlit ---
Lit
---
---
Lit
---
---
Host link com-
munication
Error has occurred Lit
during host link
communication
Note *All outputs of the I/O Units are turned OFF.
79
OMRON [ OMRON ELECTRONICS LLC ]
