Check code
Indoor unit No. in which
trouble
has occurred
3
2
1
2
Normal display is restored.
Steps to follow
SET
TIME
TIMER SET
TEST
FILTER
RESET
TEMP.
CL
FAN
SAVE
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
3 1
<7-segment display symbols>
<Corresponding alphanumerical letters>
23456789AbCdEFHJLP
01
0 1 2 3 4 5 6 7 8 9 A b C d E F H J L P
9-3. Troubleshooting based on information displayed on remote control
Using main remote control (RBC-AMT32
UL
)
(1)
Checking and testing
When a
trouble
occurs to an air conditioner, a
check
code and indoor unit No. are displayed on
the
display window of the remote control.
Check
codes are only displayed while the air
conditioner is in operation.
If the display has already disappeared, access
check code
history by following the procedure
described
below.
(2)
Trouble
history
The
trouble
history access procedure is described below (up to four
check codes
stored in memory).
Check
code
history can be accessed regardless of whether the air conditioner is in operation or shut
down.
<Procedure>
To be performed when system at rest
1
Invoke the SERVICE CHECK mode by pressing the +
SET
buttons simultaneously and holding for at least 4
seconds.
The letters “ SERVICE CHECK” light up, and the check code “01” is
displayed, indicating the
trouble
history. This is accompanied by the
indoor
unit No. to which the
trouble
history is related and a check code.
2
To check other
trouble
history items, press the
TEMP.
button to select another check code.
Check code “01” (latest)
→
Check code “04” (oldest)
Note:
Trouble
history contains four items.
3
When the button is pushed, normal display is
restored.
REQUIREMENT
Do not push the
CL
button as it would erase the whole
trouble
history of the indoor unit.
How to read displayed information
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