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