Errors When Using The Digital Operator Copy Function - YASKAWA Varispeed G7 Series Instruction Manual

Display
Saturation
Rated FLA Alm
Adjusted Slip
Value
* Displayed after autotuning has been completed. For constants in which no error is detected, the settings are reset to the values determined by autotuning.


Errors when Using the Digital Operator Copy Function

The errors that can occur when using the copy function from the Digital Operator are given in the following
table. An error code will be displayed on the Digital Operator. If a Digital Operator key is pressed when an
error code is being displayed, the display will be cleared and 03-01 will be displayed. The error contact output
and alarm output will not function.
Func-
Display
tion
PRE
READ
IMPOSSIBLE
IFE
READ DATA
Read
ERROR
RDE
DATA ERROR
-24
7
Table 7.5 Errors During Autotuning (Continued)
Meaning
Motor core satura-
The results of autotuning has exceeded
tion error (detected
the setting range for a user constant so a
only for rotational
temporary setting was made for the
*
motor core saturation coefficient.
autotuning)
Rated current setting
The rated current is set high.
*
alarm
As a result of stationary autotuning 1,
Adjusted slip value
the slip value has fallen to 0.2 Hz or
fell below lower limit
below.
Table 7.6 Errors during Copy Function
Meaning
o3-01 was set to 1 to write a constant
Digital Operator
when the Digital Operator was write-
write-protected
protected (o3-02 = 0).
The read data length does not agree.
Illegal read data
The write data is incorrect.
An attempted write of a constant to
Illegal write status
EEPROM on the Digital Writer failed.
Probable causes
Probable causes
Corrective Actions
• Check the input data.
• Check motor wiring.
• If the motor is connected to the
machine, disconnect it.
Check the input data (particularly the
motor output current and motor rated
current).
Check the input data.
If rotational autotuning is possible, per-
form it. If impossible, perform stationary
autotuning 2.
Corrective Actions
Set o3-02 to 1 to enable writing con-
stants with the Digital Operator.
Repeat the read.
Check the Digital Operator cable.
Replace the Digital Operator.
A low Inverter voltage has been
detected.
Repeat the read.
Replace the Digital Operator.