Goodrive270 series VFD for fan and pump Basic operation guidelines
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5.3.5 Modifying function codes
The VFD provides three levels of menus, including:
 Function code group number (level-1 menu)
 Function code number (level-2 menu)
 Function code setting (level-3 menu)
Note: When performing operations on the level-3 menu, you can press the PRG/ESC or DATA/ENT
key to return to the level-2 menu. If you press the DATA/ENT key, the set value of the parameter is
saved to the control board first, and then the level-2 menu is returned, displaying the next function
code. If you press the PRG/ESC key, the level-2 menu is returned directly, without saving the set
value of the parameter, and the current function code is displayed.
If you enter the level-3 menu but the parameter does not have a digit blinking, the parameter cannot
be modified due to either of the following reasons:
 It is read only. Read-only parameters include actual detection parameters and running record
parameters.
 It cannot be modified in running state and can be modified only in stopped state.
Example: Change the value of P00.01 from 0 to 1.
The ones place
is blinking
All digits are
blinking
Note: When setting the value, you can press and + to modify the value.
PRG
ESC
PRG
ESC
PRG
ESC
PRG
ESC
DATA
ENT
DATA
ENT
DATA
ENT
The ones place
is blinking
The ones place is
blinking
The ones place is blinking
Figure 5-5 Modifying a parameter
5.3.6 Setting a password for the VFD
The VFD provides the user password protection function. When you set P07.00 to a non-zero value,
the value is the user password. If password protection is enabled, "0.0.0.0.0" is displayed when
you press the PRG/ESC key again to enter the function code editing interface. You need to enter the
correct user password to enter the interface.
To disable the password protection function, you need only to set P07.00 to 0.
After you exit the function code editing interface, the password protection function is enabled within 1
minute. If password protection is enabled, "0.0.0.0.0" is displayed when you press the PRG/ESC
key again to enter the function code editing interface. You need to enter the correct user password to
enter the interface.
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