Omron CP1L CPU UNIT - 06-2007 Operation Manual page 510

Error Classification and Confirmation
CPU Unit Indicators and Error Meanings in RUN or MONITOR Mode
Auxiliary Area
Indicator CPU
error
POWER Lit
RUN Not lit
ERR/ALM Lit
INH Not lit
PRPHL ---
BKUP ---
■ Error Code Storage Word
The error code is stored in A400 when an error occurs. If two or more errors
occur at the same time, the most serious error will be stored.
■ Error Flags
Flags that indicate the type of error are allocated in the Auxiliary Area.
■ Error Information
This area indicates specific information on the meaning of error flags and pro-
vides information on error location and error details.
■ Fatal Errors
Error
Memory error 80F1
I/O bus error 80C0 to 80C7,
80CA, 80CE,
80CF
Too many I/O error 80E1
Program error 80F0
Cycle time too long 809F
error
FALS instruction C101 to C2FF
executed
■ Non-fatal Errors
Error
FAL instruction 4101 to 42FF
executed
Flash memory 00F1
error
Interrupt task error 008B
PLC Setup error 009B
Option Board error 00D1, 00D2
Battery error 00F7
CPU Fatal Non-
standby error fatal
error
Lit Lit Lit
Not lit Not lit Lit
Not lit Lit Flashing ---
--- --- ---
--- --- ---
--- --- ---
Error code Error flag
(A400)
A401.15
A401.14
A401.11
A401.09
A401.08
A401.06
Error code Error flag
(A400)
A402.15
A315.15
A402.13
A402.10
A315.13
A402.04
Section 9-1
Peripheral port Output
communica- OFF Bit
tions error turned ON
Lit Lit
Lit Lit
---
--- Lit
Not lit ---
--- ---
Error information
Meaning Address
Memory error A403
location
I/O bus error A404
details
Details for too A407
many I/O error
Program error A294 to A299
details
--- ---
--- ---
Error information
Meaning Address
Executed FAL A360 to A391
number
--- ---
Interrupt task A426
error unit num-
ber
A406
Error Option A424
Board Flags
--- ---
477