Omron CPM2C Operation Manual page 140

Message FAL No.
SCAN TIME OVER F8
Battery error F7
(no message)
5-2-4 Fatal Errors
Message FALS
No.
Power interruption None
(no message)
MEMORY ERR F1
NO END INST F0
I/O BUS ERR C0
I/O UNIT OVER E1
SYS FAIL FALS** 01 to 99 A FALS(07) instruction has been executed in the program. Check the FALS number to
(** is 01 to 99 or 9F.)
9F
5-2-5 Communications Errors
Meaning and appropriate response
The cycle time has exceeded 100 ms. (SR 25309 will be ON.)
This indicates that the program cycle time is longer than recommended. Reduce cycle
time if possible. (The CPM2C can be set so that this error won't be detected.)
If the Low Battery Detection Switch is ON and the voltage of the CPM2C-BAT01
backup battery is below the minimum level, the ERR/ALM indicator will flash and SR
25308 will be turned ON. (See page 28 for details on the Low Battery Detection
Switch.)
Replace the battery. (See 5-7 Battery Replacement for details.)
PC operation and program execution will stop and all outputs from the PC will be
turned OFF when any of these errors have occurred. CPM2C operation can't be
restarted until the PC is turned OFF and then ON again or a Programming De-
vice is used to switch the PC to PROGRAM mode and clear the fatal error.
All CPU Unit indicators will be OFF for the power interruption error. For all other
fatal operating errors, the POWER and ERR/ALM indicators will be lit. The RUN
indicator will be OFF.
Meaning and appropriate response
Power has been interrupted for more than 10 ms (2 ms for DC power types.)
Check power supply voltage and power lines. Try to power-up again.
AR 1308 ON: There is a non-existent bit or word address in the user program. Check
the program and correct errors.
AR 1309 ON: An error has occurred in flash memory. Replace the CPU Unit.
AR 1310 ON: A checksum error has occurred in read-only DM (DM 6144 to DM 6599).
Check and correct the settings in the read-only DM area.
AR 1311 ON: A checksum error has occurred in the PC Setup. Initialize the PC Setup
and input the settings again.
AR 1312 ON: A checksum error has occurred in the program. Check the program and
correct any errors detected.
AR 1313 ON: A checksum error has occurred in the expansion instructions data and all
function codes have been set the their default values. Reset the expansion
instructions.
AR 1314 ON: Data was not maintained in an area specified for holding. Clear the error,
check the data in the areas specified for holding, and try again.
END(01) is not written in the program. Write END(01) at the end of the program.
An error has occurred during data transfer between the CPU Unit and an Expansion
I/O Unit. Check the Expansion I/O Unit's connecting cable.
Too many Expansion Units have been connected. Check the Expansion Unit
configuration.
determine the conditions that caused execution, correct the cause, and clear the error.
The cycle time has exceeded the Maximum (Watch) Cycle Time setting (DM 6618).
Check the cycle time and adjust the Maximum Cycle Time setting if necessary.
The COMM indicator will be turned OFF and AR 0812 will be turned ON if an
error occurs in communications through the Peripheral port or AR 0804 will be
turned ON if an error occurs in communications through the RS-232C port.
Check the connecting cables and restart.
There are no error messages or error codes generated by this error and the
ERR/ALM indicator is not affected.
Section 5-2