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Troubleshooting
Error message
Verify Error
Program is protected
Undefined task0
Too many variables
Compiler error
Not enough memory
Switch is STOP
System has fatal error
END PARACT without
PARACT
PARACT without END
PARACT
Undefined line %u
Invalid ECODE
8-1-2 Error Indication and Status
Error List
Error
All indicators do not light
g
Malfunctioning of
g
connected devices
d d
i
BAT LOW lights
g
146
Error
code
---
Contents of current program area do not
coincide with contents of file specified for
verification.
---
User program area is memory-protected.
---
The program has no task 0.
---
Space used by variables exceed memory
capacity.
---
Error in system ROM.
---
Out of memory during compilation in RUN
status.
---
Attempt was made to RUN the program
with RUN/STOP switch set to STOP.
---
Error occurs during initialization. Program
cannot be executed.
---
END PARACT was encountered without a
corresponding PARACT.
---
END PARACT statement is missing.
---
Branch destination for GOTO or GOSUB was
not found when RESUME was executed.
---
Execution code (ECODE) is wrong and
program cannot be run.
Problem
Power to PC is turned OFF.
BASIC Unit is not securely mounted.
Initialization between CPU Unit and BASIC
Unit is not correctly performed.
CPU Bus Unit error.
BASIC Unit will not start at this time but CPU
Unit can operate.
Power to connected devices is turned OFF.
Cable disconnected.
Break in cables, wrong wiring, or faulty
connections.
Baud rate and communication parameters do
not match.
Battery is not properly connected.
Battery is discharged.
Note The program area can be disturbed if a machine language program is run out of
control. Re-initialize the program area using the following procedure if required.
• If the BASIC Unit operates with power turned on, but LIST or EDIT cannot be
executed, input the following and then turn the power supply off and on:
MONs
*RDS0=40s
*D0.3s
0000 – 04 12 90 19
*W0:0.0.0.0s
Cause
Turn ON power to PC.
Correctly mount BASIC Unit.
Clear cause of error and restart Unit by using
the Restart Bit in Auxiliary Area word AR001
corresponding to Unit (turn the bit ON, and
then OFF).
If error persists, replace Unit.
Turn ON power to devices.
Connect cable and tighten screws.
Repair or replace cable.
Check baud rate and communication
parameters.
Check battery connections.
Replace battery.
Enters machine language monitor
Sets segment register to 40 (address 400)
Displays the first four bytes
Overwrites the above four bytes.
Section 8-1
Remedy
Check program area and file.
Turn off memory protection with the
DIP switch on front panel.
The program's main task must be task
0.
Reduce number of variables.
Contact your OMRON representative.
Increase program capacity, number of
variables, or size of variable.
Set switch to RUN.
Refer to 8-1-2 Error Indication and
Status.
Check and correct program.
Check and correct program.
Check program.
ECODE is assumed to be missing
during next RUN, and ECODE is
created again and program is
executed.
Correction
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