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Parameter clear and all parameter clear
4.28 Parameter clear and all parameter clear
*
Refer to the list of parameters on page 466 for availability of parameter clear and all parameter clear.
POINT
· Set "1" in Pr. CL parameter clear or ALLC All parameter clear to initialize all parameters. (Parameters are not cleared
when "1" is set in Pr. 77 Parameter write selection. Calibration parameters are not cleared with Pr.CL either. In
addition, calibration parameters are not cleared.)
addition, calibration parameters are not cleared.)
· Refer to the list of parameters on page 466 for availability of parameter clear
Operation
1.
Screen at power-ON
The monitor display appears.
2.
Operation mode change
Press
to choose the PU operation mode. [PU] indicator is lit.
3.
Parameter setting mode
Press
to choose the parameter setting mode. (The parameter number read previously appears.)
4.
Selecting the parameter number
Turn
until "
parameter clear" ("
all parameter clear") appears. Press
to read the
present set value. "
" (initial value) appears.
5.
Parameter clear
Turn
to change it to the set value "
". Press
to set.
"
" and "
" flicker alternately after parameters are cleared.
·By turning
, you can read another parameter.
·Press
to show the setting again.
·Press
twice to show the next parameter.
Setting
Description
Pr. CL parameter clear
ALLC All parameter clear
0
Not executed.
1
Returns all parameters to the initial values except for
calibration parameters, terminal function selection
parameters, etc.
calibration parameters, terminal function selection
parameters, etc.
Returns all the parameters that can be cleared to
their initial values. Examples include calibration
parameters and terminal function selection
parameters.
their initial values. Examples include calibration
parameters and terminal function selection
parameters.
and
are displayed alternately ... Why?
The inverter is not in the PU operation mode.
1. Press .
is lit and the monitor (4 digit LED) displays "0" (Pr. 79 = "0" (initial value)).
2. Carry out operation from step 5 again.
· Stop the inverter. Parameter clear is unavailable when the inverter is running, and will cause the write disable
error.