8-3. Troubleshooting Based on Information Displayed on
Remote Controller
Using main remote controller (RBC-AMT32E)
(1)
Checking and testing
When a
problem
occurs to an air conditioner, a check
code and indoor unit No. are displayed on the
display window of the remote controller.
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)
Ckeck code
history
The
check code
history access procedure is described below (up to four
check code
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
+
buttons simultaneously and holding for at least 4
seconds.
The letters “
SERVICE CHECK” light up, and the check code
“01” is displayed, indicating the
check code
history. This is
accompanied by the indoor unit No. to which the
check code
history is related and a check code.
2
To check other
check code
history items, press the
button to select another check code.
Check code “01” (latest) Check code “04” (oldest)
Note:
Check code
history contains four items.
3
When the
button is pushed, normal display is
restored.
REQUIREMENT
Do not push the
button as it would erase the whole
check code
history of the indoor unit.
How to read displayed information
Check code
Indoor unit No. in which
check code
has occurred
SET
TIME
TIMER SET
TEST
FILTER
RESET
TEMP.
CL
FAN
SAVE
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
1
3
3
2
1
2
Normal display is restored.
Steps to follow
0
1
2
3
4
5
6
7
8
9
A
b
C
d
E
F
H
J
L
P
<7-segment display symbols>
<Corresponding alphanumerical letters>
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