Installation Manual
‒ 45 ‒
45-EN
14
TROUBLESHOOTING
A wired remote controller is necessary for this function. This function cannot be operate with a wireless
remote controller.
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.
Indoor UNIT No. in which
an error occurred
Check code
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.
3
2
1
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 “TEMP.” 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.
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