Timer cancel
button
In case of
ARC455A, ARC452A, ARC433B, ARC423A, ARC417A
SENSOR
TEMP
ON/OFF
POWERFUL
FAN
MODE
QUIET
ON
CANCEL
TIMER
RESET
OFF
COMFORT
SWING
ON
ON
In case of ARC447A
[Check Method]
With the wireless remote controller supplied with the unit, or
sold separately, malfunction codes by failure diagnosis can be
confirmed. (hold the timer cancel button down for 5 seconds.)
1. Hold the timer cancel button down for 5 seconds, with the
remote controller set toward the indoor unit.
2. The temperature display on the remote controller changes
to the error code display and a long beep notifies this
indication change.
Note:
To cancel indication of malfunction code, hold the timer
cancel button down for 5 seconds.
The code display also cancels itself if the button is not
pressed for 1 minute.
[Check Method 1]
1. When the timer cancel
button is held down for 5
seconds, a “
00
” indication
flashes on the temperature
display section.
2. Press the timer cancel
button repeatedly until a
continuous beep is
generated
The code indication
changes in the sequence
shown below, and notifies
with a long beep.
[Check Method 2]
1. Press the 3 buttons (TEMP , TEMP ,
MODE) simultaneously to enter the
diagnosis mode.
<In case of ARC433B67, 68, 69, 76>
Note:
1. A short beep and two consecutive beeps indicate non-
corresponding codes.
2. To cancel the code display, hold the timer cancel button
down for 5 seconds. The code display also cancels itself if
the button is not pressed for 1 minute.
The figure of the ten's place blinks.
Try again from the start when the figure
does not blink.
Self-Diagnosis by Remote Controller (Residential Air-conditioner)
TIMER CANCEL button
2. Press TEMP or button and change the
figure until you hear the sound of “beep” or
“pi pi”.
3. Diagnose by the sound.
“1 short beep” : The figure of the ten's place
does not accord with the malfunction code.
“2 short beep” : The figure of the ten's place
accords with the error code but the one's not.
“1 long beep” : The both figures of the
ten's and one's place accord with the
malfunction code.
4. Press the MODE button.
The figure of the one’s place blinks.
5. Press the TEMP button.
Press TEMP or button and change the
figure until you hear the sound of “long beep”.
6. Diagnose by the sound.
“1 short beep” : The figure of the ten's
place does not accord with the
malfunction code.
“2 short beep” : The figure of the ten's place
accords with the error code but the one's not.
“1 long beep” : The both figures of the ten's
and one's place accord with the error code.
7. Determine the malfunction code.
The digits indicated when you hear the
“long beep” sound are error code.
8. Press the MODE button to exit from the
diagnosis mode.
The display “ ” means the trial operation
mode.
9. Press the ON/OFF button twice to return
to the normal mode.
Note:
When the remote controller is left untouched
for 60 seconds, it returns to the normal mode.
No.
1
2
3
4
5
6
7
8
9
10
11
Code
00
U4
F3
E6
L5
A6
E5
F6
C9
U0
E7
No.
12
13
14
15
16
17
18
19
20
21
22
Code
C7
H8
J3
A3
A1
C4
C5
H9
J6
UA
A5
No.
23
24
25
26
27
28
29
30
31
32
33
Code
H0
E1
P4
L3
L4
H6
H7
U2
UH
EA
AH
