Troubleshooting - Toshiba MML-UP0071NHP-E Installation Manual

11

TROUBLESHOOTING

A wired remote controller is necessary for this function. This function cannot be operate with a wireless remote
controller.
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 confi 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
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.
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 pushed, the recorded
troubleshooting history is displayed in sequence.
The troubleshooting history appears in order from [01]
(newest) to [04] (oldest).
2
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.
After you have fi nished checking, push the ON/OFF button
to return to the regular mode.
3
• 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.
Check code
Description of operation
CAUTION
– 30 –
Installation Manual
The indoor Unit No. in which the
problem occurred.
30-EN