21
Ducted Air Conditioners
Installation Manual
-14
Press Menu/Enter button in the Basic
screen. Main menu screen is dis-
played.
-15
Select
Maintenance Information
in
the Main menu, and press Menu/Enter
button.
-16
Maintenance Information screen is
displayed. Check that malfunction
(error) code history is not displayed in
the screen.
*
If no malfunction (error) code history
is displayed following this procedure
the system has normally completed
the test operation.
-17
If the malfunction (error) code history is
displayed, conduct the failure
diagnosis referring to <Malfunction
code list> in the installation manual of
the indoor unit.
After the failure diagnosis finishes,
press and hold ON/OFF button for
4 seconds or longer in the “Mainte-
nance Information” screen to erase the
malfunction (error) code history.
Malfunction diagnosis method
•
When the remote controller displays
any item in following table, inspect the
details in the table.
•
If malfunction (error) occurs, “code” is
displayed.
Conduct the failure analysis referring to
“Malfunction code list” in the installation
manual of the indoor unit.
And when the unit No. which detected
the malfunction (error) during group
control is confirmed, refer to “
8.
Checking procedure of
Malfunction (Error) History
”.
