‒
38
‒
38-EN
Installation Manual
13
TROUBLESHOOTING
A wired remote controller is necessary for this function. This function cannot be operate with a wireless
remote controller.
Con
fi
rmation and check
If a problem occurs with the air
conditioner, the OFF timer indicator
alternately shows the check code
and the indoor Unit No. in which
the problem occurred.
Check code
The indoor Unit No. in which
the problem occurred.
Troubleshooting history and con
fi
rmation
You can check the troubleshooting history with the following procedure if a problem occurs with the air
conditioner.
(The troubleshooting history records up to 4 incidents.)
You can check it during operation or when operation is stopped.
• If you check the troubleshooting history during OFF timer operation, the OFF timer will be canceled.
Procedure
Description of operation
1
Push the OFF timer button for over 10 seconds and
the indicators appear as an image indicating the
troubleshooting history mode has been entered.
If [ Service check] is displayed, the mode enters in
the troubleshooting history mode.
• [01: Order of troubleshooting history] appears in
the temperature indicator.
• The OFF timer indicator alternately shows the
[check code] and the [indoor Unit No.] in which the
problem occurred.
2
Each time the setting button is pushed, the recorded
troubleshooting history is displayed in sequence.
The troubleshooting history appears in order from
[01] (newest) to [04] (oldest).
CAUTION
In the troubleshooting history mode, DO NOT push
the Menu button for over 10 seconds, doing so
deletes the entire troubleshooting history of the
indoor unit.
3
After you have
fi
nished checking, push the ON/OFF
button to return to the regular mode.
• If the air conditioner is operating, it remains
operated even after the ON/OFF button has been
pushed.
To stop its operation, push the ON/OFF button
again.