11
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 opera-
tion.
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.
CODE No.
UNIT No.
R.C.
No.
Check code
Indoor unit No. in which
an error occurred
3
2
1
ON / OFF
FAN
TEMP.
SWING/FIX
TIME
MODE
VENT
UNIT
SET
CL
FILTER
RESET TEST
TIMER SET
Procedure
1
2
3
Description
When pushing
SET
and
TEST
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.
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).
CAUTION
Do not push
CL
button because all the trouble history of the indoor unit will be deleted.
After confirmation, push
TEST
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.
3. More details of the service code are explained in Service Manual.
CODE No.
UNIT No.
R.C.
No.
Summary of Contents for RBC-AMT31-E
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