Error Indications By Protective Functions With The Easy Sequence Function Used - Hitachi SJ700-055-110LF 2 Series Service Manual

2.2.4 Error indications by protective functions with the easy sequence function used

Name
- The inverter will display the error code shown on the
right if an invalid instruction is found in a downloaded
program. (*1)
Invalid instruction
- The inverter will display the error code if the PRG
terminal is turned on when no program has been
loaded.
The inverter will display the error code shown on the
Nesting count
right if subroutines, "for" instructions, and "next"
error
instructions are nested in more than eight levels.
- 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
Execution error 1
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.
The inverter outputs an error code when a trip instruction
User trips 0 to 9
is executed.
*1 The error code is output when the relevant program runs.
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Description
2- 8
Display on
Display on
remote operator
digital operator
ERR1***
PRG.CMD
PRG.NST
PRG.ERR1
PRG-0
～
PRG-9