Setting 5550: oPE04 Reset
An oPE04 error appears on the digital operator when a terminal block with settings saved to its built-in memory is installed
in a drive that has edited parameters. Set A1-02 to 5550 to use the parameter settings saved to the terminal block memory.
Notes on Parameter Initialization
The parameters shown in Table 5.1 will not be reset when the drive is initialized by setting A1-03 = 2220 or 3330. Although
the control mode in A1-02 is not reset when A1-03 is set to 2220 or 3330, it may change when an application preset is selected.
Table 5.1 Parameters not Changed by Drive Initialization
No. Parameter Name
A1-00 Language Selection
A1-02 Control Method Selection
C6-01 Duty Selection
E1-03 V/f Pattern Selection
E5-01
Motor Code Selection (for PM motors)
Note: PM motor control modes are not available on 600 V class drives,
CIMR-Ao5oooooooo.
F6-08 Comm. Parameter Reset
L8-35 Installation Selection
o2-04 Drive/kVA Selection
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A1-04, A1-05: Password and Password Setting
Parameter A1-04 enters the password when the drive is locked; parameter A1-05 is a hidden parameter that sets the password.
No. Parameter Name Setting Range Default
A1-04 Password
0000 to 9999 0000
A1-05 Password Setting
How to Use the Password
The user can set a password in parameter A1-05 to restrict access to the drive. The password must be entered to A1-04 to
unlock parameter access (i.e., parameter setting A1-04 must match the value programmed into A1-05). The following
parameters cannot be viewed or edited until the value entered to A1-04 correctly matches the value set to A1-05: A1-01, A1-02,
A1-03, A1-06, and A2-01 through A2-33.
The instructions below demonstrate how to set password “1234”. An explanation follows on how to enter that password to
unlock the parameters.
Table 5.2 Setting the Password for Parameter Lock
Step Display/Result
1. Turn on the power to the drive. The initial display appears.
- MODE -
U1-01= 0.00Hz
U1-02= 0.00Hz
U1-03= 0.00A
DRV
FREF (OPR)
Rdy
JOG FWD FWD/REV
LSEQ
LREF
2.
Press or until the Parameter Setting Mode screen appears.
HELP
- MODE - PRG
DATA
Programming
FWD
3.
Press to enter the parameter menu tree.
← →
-PRMSET-
Initialization
Select Language
PRG
FWD
A1-00= 0
4.
Select the flashing digits by pressing
F1
left
,
F2
right
, or .
← →
-PRMSET-
Select Language
English
PRG
FWD
A1-00= 0 *0*
5.1 A: Initialization
122
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual
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