Technical Manual

65
Service
Service menu
F1 F2 F3 F4
Main
Main display:
Cursor Page
Main menu
Maintenance
Initial setting
Service
F1 F2 F3 F4
Service menu
Cursor
Select:
Enter maintenance password
unem ecivreS
unem ecivreS
rosruC
rosruC
:unem niaM
:unem niaM
Test run
Input maintenance info.
Function setting
Check
Self check
Maintenance password
Remote controller check
Service menu
Service menu:
Not available.
Please stop the unit.
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unem ecivreS
rosruC
rosruC
:unem niaM
:unem niaM
Test run
Input maintenance info.
Lossnay
Check
Self check
Maintenance password
Remote controller check
Service menu
Service menu:
Not available.
Centrally controlled.
Main
Sub
P
Service
Button operation
[
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
button.
[
1
]
Select "Service" from the Main menu (refer to page 19), and press the
button.
*At the main display, the menu buttom and select "Service" to make the
maintenance settings.
Service
Maintenance password is required
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
and
F2
buttons simultaneously for three seconds on the
maintenance password setting screen.
[
3
]
If the password matches, the Service menu will appear.
The type of menu that appears depends on the connected
indoor units’ type (City Multi or Mr. Slim).
<For Mr.Slim> <For City Multi>
Note: Air conditioning units may need to be stopped
to make certain 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 Main menu ..................
button
• To return to the previous screen ..............
button