Service Menu; Maintenance Password Is Required - Mitsubishi Electric SUZ-KA24NAHZ Service Manual

15-3. SERVICE MENU

Maintenance password is required

1. Select "Service" from the Main menu, and press the [SELECT] button.
*At the main display, the menu button and select "Service" to make the
maintenance setting.
2. When the Service menu is selected, a window will appear asking for the pass-
word.
To enter the current maintenance password (4 numerical digits), move the
cursor to the digit you want to change with the F1 or F2 button.
Set each number (0 through 9) with the F3 or F4 button.
Then, press the [SELECT] button.
Note: The initial maintenance password is "9999". Change the default
password as necessary to prevent unauthorized access. Have the
password available for those who need it.
: If you forget your maintenance password, you can initialize the
password to the default password "9999" by pressing and holding
the F1 button for 10 seconds on the maintenance password set-
ting screen.
3. If the password matches, the Service menu will appear.
The type of menu that appears depends on the connected indoor
units' type.
Note: Air conditioning units may need to be stopped to make only
at "Settings". There may be some settings that cannot be
made when the system is centrally controlled.
A screen will appear that indicates the setting has been saved.
Navigating through the screens
• To go back to the Service menu .............. [MENU] button
• To return to the previous screen ............... [RETURN] button
OCH754A
110
Main Main menu
Service
Service menu
Enter maintenance password
Select: SELECT
Cursor
F1 F2 F3 F4
F1 F2 F3 F4
ON
SELECT
MENU RETURN
OFF
HOLD
S e v r c i e m e n u
Test run
Input maintenance info.
Settings
Check
Others
M a n i m e n u : RETURN
C u s r r o
Service menu
Not available.
Please stop the unit.
Service menu: RETURN