Hitachi SJ700-2 Series - Errors Specific to the Easy Sequence Function; Status ····································································································································5

Chapter 7 Errors and Troubleshooting
7 - 1
7.1 Errors Specific to the Easy Sequence Function
The table below lists the errors that are specific to the easy sequence function. For other errors in the
inverter, refer to the SJ700 Series Inverter Instruction Manual.
No.
Error (causing
inverter trip)
Factor code
(*1)
Description
1 Invalid instruction E43.*
The inverter assumes an error if the downloaded program includes an
invalid instruction code. This error is detected if the PRG terminal is
turned on when the downloaded program has been destroyed or no
program has been downloaded.
2 Nesting count error E44.*
The inverter assumes an error if subroutines, for statements, and/or next
statements are nested in more than eight layers.
3 Instruction error 1 E45.*
- The inverter assumes an error if the jump destination of a goto
statement is not the beginning of a nested for statement but preceded
by the end of a nested next statement.
- The inverter assumes an error if the variable "U (xx)" referenced via
another variable is not found.
- The inverter assumes an error if an arithmetic instruction results in
overflow or underflow, or causes a division by zero.
- The inverter assumes an error if a chg param instruction causes
reference to a nonexistent parameter, change of a parameter value
outside the setting limits, or updating of a parameter that cannot be
updated during inverter operation.
4 User trip 0 to 9
E50.* to
E59.*
*1 The asterisk (*) in the factor code represents an inverter status code. For details, refer to the SJ700-2
Series Inverter Instruction Manual.