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Service Diagnosis
SiUS121827E
150
Part 6 Service Diagnosis
Notes
3. Service Diagnosis
3.1 ARC452 Series Wireless Remote Controller
3.1.1 Method 1
1. When
TIMER CANCEL
button is held down for 5 seconds,
00
is displayed on the temperature
display screen.
2. Press
TIMER CANCEL
button repeatedly until a long beep sounds.
The code indication changes in the sequence shown below.
ARC452A21, A23
1. A short beep or two consecutive beeps indicate non-corresponding codes.
2. To return to the normal mode, hold
TIMER CANCEL
button down for 5 seconds. When the
remote controller is left untouched for 60 seconds, it also returns to the normal mode.
3. Not all the error codes are displayed. When you cannot find the error code, try method 2.
Refer to page 151.
No.
Code
No.
Code
No.
Code
1
00
13
C7
25
UA
2
U4
14
A3
26
UH
3
L5
15
H8
27
P4
4
E6
16
H9
28
L3
5
H6
17
C9
29
L4
6
H0
18
C4
30
H7
7
A6
19
C5
31
U2
8
E7
20
J3
32
EA
9
U0
21
J6
33
AH
10
F3
22
E5
34
FA
11
A5
23
A1
35
H1
12
F6
24
E1
36
P9
(R23945)
TIMER CANCEL
button
< ARC452 Series >