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In case of wired remote controller (RBC-AMT32
UL)
1. Confirmation and check
When a trouble occurred on the air conditioner,
the check code and the indoor unit No. are
displayed on the display section of the remote
controller.
The check code is displayed while the air
conditioner operates.
If the display disappeared, operate the air
conditioner and check the error based upon the
following “Confirmation of error history”.
2. Confirmation of error history
When a trouble occurred on the air conditioner,
the error history can be confirmed with the
following procedure.
(Up to 4 error histories are stored in memory.)
This history can be confirmed from either
operating status or stop status.
Check code
Indoor unit No. in which
an error occurred
3
2
1
SET
TIME
TIMER SET
TEST
FILTER
LL
RESET
TEMP.
CL
FAN
SAVE
A
A
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
T
Procedure
1
2
3
Description
When pushing
SET
and
TEST
buttons simultaneously for 4 seconds or more, the below display appears.
If [ Service Check] is displayed, the mode enters in the error history mode.
• [01: Error history order] is displayed in CODE No. window.
• [Check Code] is displayed in check code window.
• [Indoor unit address with error] is displayed in UNIT No.
Every pushing temp. set
/
buttons, the error histories stored in the memory are displayed in
order. The numbers in CODE No. indicates CODE No. [01] (Latest) to [04] (Oldest).
CAUTION
Do not push
CL
button because all the error histories of the indoor unit will be deleted.
After confirmation, push
TEST
button to return to the usual display.
How to read the check monitor display
<7-segment display>
8
9
A
b
C
d
E
F
H
J
L
P
7
6
5
4
3
2
1
0
<How to read>
8-3. Troubleshooting by check Display on Remote Controller
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