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Chapter 5 Error Codes
5 - 8
4) Error indications by protective functions with the easy sequence function used
Name Description
Display on
digital operator
Display on
remote operator
ERR1***
Invalid instruction
- The inverter will display the error code shown on the
right if an invalid instruction is found in a downloaded
program. (*1)
- The inverter will display the error code if the PRG
terminal is turned on when no program has been
loaded.
PRG.CMD
Nesting count
error
The inverter will display the error code shown on the
right if subroutines, "for" instructions, and "next"
instructions are nested in more than eight levels.
PRG.NST
Execution error 1
- The inverter will display the error code shown on the
right if the "for" or another instruction to start nesting is
not found at the jump destination of a "go to"
instruction, and the "next" or another instruction to end
nesting precedes the nesting-start instruction.
- An error is assumed when an arithmetic operation
instruction has resulted in overflow or underflow or a
division by zero has been attempted.
- An error is assumed when a "chg param" or "mon
param" instruction has attempted to reference an
undefined parameter, set the data beyond the
specified setting range in a parameter, or update a
parameter that cannot be changed during the inverter
operation.
PRG.ERR1
User trips 0 to 9
The inverter outputs an error code when a trip instruction
is executed.
PRG-0
PRG-9
*1 The error code is output when the relevant program runs.