ABB IRC5 Operating Manual page 303

Consequences
The calculation will return error.
Probable causes
The values in the operation is probably too big.
Recommended actions
Recovery: arg.
41742, Negative subtraction
Description
Task: arg.
The subtraction result is negative.
Program ref: arg.
Consequences
The calculation will return error.
Probable causes
The first value in the subtraction is smaller than the second
value.
Recommended actions
Make sure the first value is larger than the second upon
subtraction.
Recovery: arg.
41743, Division with zero
Description
Task: arg.
Division with zero.
Program ref: arg.
Consequences
Calculation will return error.
Probable causes
Division with zero.
Recommended actions
Recovery: arg.
41744, Instruction Error
Description
Task: arg.
The program is executing in an ERROR handler. It is not allowed
to execute the instruction arg in an ERROR handler.
Program ref: arg.
Recommended actions
Remove the instruction.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
41745, Instruction Error
Description
Task: arg.
The program is executing in a BACKWARD handler. It is not
allowed to execute the instruction arg in a BACKWARD handler.
Program ref: arg.
Recommended actions
Remove the instruction.
41746, Instruction Error
Description
Task: arg.
The program is executing at USER level, i.e. in an event routine
or a service routine. It is not allowed to execute the instruction
arg at USER level.
Program ref: arg.
Recommended actions
Remove the instruction.
41747, Process signal off
Description
Task: arg.
The process signal arg is set to off (0).
Program ref: arg.
Consequences
A recoverable error ERR_PROCSIGNAL_OFF is thrown.
Probable causes
The optional argument \ProcSignal has been used for the
instruction ProcerrRecovery. The signal makes it possible for
the user to turn on/off the instruction ProcerrRecovery.
Recommended actions
Add an error handler for ERR_PROCSIGNAL_OFF error or
remove the optional argument \ProcSignal from the instruction
call.
41748, Value Error
Description
Task: arg.
Illegal value in argument arg.
Program ref: arg.
Recommended actions
Check the RAPID program.
Recovery: arg.
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5 Troubleshooting by event log
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