Service Diagnosis; Arc452 Series - Daikin 2MXS-W Series Service Manual

Service Diagnosis

3. Service Diagnosis

3.1

ARC452 Series

3.1.1 Method 1
1. When TIMER CANCEL button is held down for 5 seconds, 00 is displayed on the temperature
2. Press TIMER CANCEL button repeatedly until a long beep sounds.
 The code indication changes in the sequence shown below.
ARC452A21
Notes
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
3. Not all the error codes are displayed. When you cannot find the error code, try method 2.
142
display screen.
TIMER CANCEL button
No. Code No.
1 00
2 U4
3 L5
4 E6
5 H6
6 H0
7 A6
8 E7
9 U0
10 F3
remote controller is left untouched for 60 seconds, it also returns to the normal mode.
Refer to page 143.
< ARC452 Series >
Code No.
11 A5 21
12 F6 22
13 C7 23
14 A3 24
15 H8 25
16 H9 26
17 C9 27
18 C4 28
19 C5 29
20 J3 30
SiUS122226E
(R23945)
Code No. Code
J6 31 U2
E5 32 EA
A1 33 AH
E1 34 FA
UA 35 H1
UH 36 P9
P4
L3
L4
H7
Part 6 Service Diagnosis