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Under Ceiling Type
Installation Manual
Toshiba
9 TROUBLESHOOTING
Confirmation and check
When a trouble occurred in the air conditioner, the
check code and the indoor UNIT No. appear on the
display part of the remote control.
The check code is only displayed during the operation.
If the display disappears, operate the air conditioner
according to the following “Confirmation of error
history” for confirmation.
Confirmation of error history
When a trouble occurred on the air conditioner, the
trouble history can be confirmed with the following
procedure. (The trouble history is stored in memory up
to 4 troubles.)
The history can be confirmed from both operating
status and stop status.
Procedure 1
When pushing and buttons at the same time for
4 seconds or more, the following display appears.
If [Service check] is displayed, the mode enters in
the trouble history mode.
•[01: Order of trouble history] is displayed in CODE
No. window.
• [Check code] is displayed in CHECK window.
• [Indoor unit address in which an error occurred] is
displayed in Unit No..
Procedure 2
Every pushing of button used to set
temperature, the trouble history stored in memory is
displayed in order.
The numbers in CODE No. indicate CODE No. [01]
(latest) → [04] (oldest).
REQUIREMENT
Do not push button because all the trouble history
of the indoor unit will be deleted.
Procedure 3
After confirmation, push button to return to the
usual display.
1. Check the troubles according to the above
procedure.
2. Ask an authorized dealer or qualified service
(maintenance) professional to repair or maintain the
air conditioner.
Check code
Indoor UNIT No. in
which an error occurred
3
2
1
29-EN
+00EH99864801_00Ta.book Page 29 Tuesday, November 24, 2009 5:40 PM