34 Chapter 5 Microprocessor Control
DataMate 3000 Series Air Conditioner User Manual
5.4.4 Password Screen
There are three levels of password in the microprocessor control.
Level one password (0001) is intended for the ordinary user. Users can view all
menus by entering this password, but has no authority to change the parameters
except for those of temperature and humidity.
Level two password is intended for trained service personnel. Users can change all
parameters by entering this password.
Level three password is intended for the manufacturer’s personnel only.
Press Enter button from the Normal screen, Password screen is displayed, as
shown in Figure 5-6.
P a s s w o r d : 1 * * *
Figure 5-6 Password screen
Method of entering password:
Press Left/Right button to move the cursor to the digit to be changed, and then
Up/Down button to change the value. Press Enter button to validate the password
and enter the main menu. Press Esc button to return to the Normal screen.
If the password entered is incorrect, the user can view the menu but cannot change
the parameters. The user can return to the Normal screen by pressing Esc button
and enter the password again. If the password entered is correct, any parameter
under the main menu can be changed.
Note
If press Enter button from the Password screen instead of inputting any password, the user
can only view the menu and cannot change the parameters.