Types Of Errors - Omron CP1E Series User Manual

Directly Monitoring the Area where Error Log Information is Stored
1
Connect the CX-Programmer online.
2
Read words A100 to A199.
3
Check the error status from the registered data.
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Types of Errors

The type of error that has occurred can be identified by checking the indicators on the front of the CPU
Unit, or by using the CX-Programmer to check the error status.
The errors detected by the CPU Unit are listed in the following table.
Refer to 6-2 Troubleshooting Unit Errors for errors not detected by the CPU Unit.
• Error code storage word:
• Error flags:
• Error information:
Error POWER
Power supply error
Not lit
CPU standby error
Lit
CPU error (WDT
error)*1
Lit
Peripheral USB port
communications
Lit
error
Builtin RS-232C port
communications
Lit
error
CP1E CPU Unit Hardware User's Manual(W479)
The error code is stored in A400 when an error occurs.
Flags that indicate the type of error are allocated in the Auxiliary Area.
There are words in the Auxiliary Area that provide specific information
on the meaning of error flags and information on the error location and
error details.
ERR/
RUN INH PRPHL BKUP
ALM
Not lit Not lit Not lit Not lit
− −
Not lit Not lit
− −
Lit
Not lit
−
Lit
Not lit Not lit
− −
Lit Not lit
COM
(built-in
Error
RS-232C
code
communi-
(in A400)
cations
status)
− −
Not lit
− − −
− − −
− − −
− −
Not lit
6 Troubleshooting
: Not lit : Flashing
Error
information
Opera-
Error
tion
flag
status
Error Word
Opera-
− − −
tion
stops.
Opera-
− − −
tion
stops.
Opera-
− − −
tion
stops.
Opera-
− − −
tion con-
tinues.
Opera-
− − −
tion con-
tinues.
: Lit
6
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