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6.
Trouble shooting
„ Confirmation 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.
„ Troubleshooting history and confirmation
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 cancelled.
Procedure
Press 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.
1
• [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.
Each time the setting button is pressed, the recorded
troubleshooting history is displayed in sequence.
The troubleshooting history appears in order from [01]
(newest) to [04] (oldest).
CAUTION
2
In the troubleshooting history mode, DO NOT press
the Menu button for over 10 seconds, doing so
deletes the entire troubleshooting history of the
indoor unit.
After you have finished checking, press the ON/OFF
button to return to the regular mode.
• If the air conditioner is operating, it remains operated
3
even after the ON/OFF button has been pressed.
To stop its operation, press the ON/OFF button
again.
Check code
Description of operation
– 42 –
The indoor UNIT No. in which
the problem occurred.
1
2
3
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