Toshiba MMU-AP0071YH Manuel D'installation page 24

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 controller.
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
error history can be confirmed with the following
procedure.
(The error history is stored in memory up to 4 errors.)
This history can be confirmed from either operating
status or stop status.
Procedure
When pushing [SET] and
or more, the right display appears.
If [Service Check] is displayed, the mode enters in the error history
mode.
1
• [01: Order of error 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.
Every pushing
The numbers in CODE No. indicates CODE No. [01] (Latest) → [04] (Oldest).
2
CAUTION
Do not push CL button because all the error history of the indoor unit will be deleted.
3
After confirmation, push
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Description
buttons simultaneously for 4 seconds
, buttons, the error history stored in the memory is displayed in order.
button to return to the usual display.
21
Check code Indoor unit No. in which
an error occurred
3
SET CL
1
CODE No.
UNIT No.
R.C. No.
UNIT
2
CODE No.
UNIT No.
R.C. No.