Learning Advanced Features
Parameter Lock
Use parameter lock to prevent unauthorized changes to parameter settings. To enable
parameter lock, register a user password first in dr.94. To lock and unlock parameter
changes, enter the password in dr.95.
Parameter Lock Setting Details
dr.94 (Parameter
Register)
Register a password to prohibit parameter modifications. Follow the
procedures below to register a password.
Press the [ENT] key on dr.94 code and the saved password
input window will be displayed. If password registration is
being made for the first time, enter 0. It is the factory default.
If a saved password has been set, enter the saved password.
If the entered password matches the saved password, then a
new window to enter a new password will be displayed. (The
process will not move to next stage until the user enters a
valid password).
After registration, Code dr.94 will be displayed.
Press the [ENT] key, if UL (Unlocked) is displayed the parameter lock
feature is disabled. Press the [ENT] key again, a field to input password
is shown. Enter the password and the Locked display is shown. When
you press [ENT] key at a parameter to make a change, it will not be
changed to edit mode. Enter password again to display UL (Unlocked).
The change prevention feature is disabled.
If parameter lock function is enabled, no inverter operation related function changes can
be made. It is very important that you memorize the password.