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Daikin Trouble Shooting Guide
Past & Current Models
No.
Code
No.
Code
No.
Code
1
00
11
E7
21
UA
2
U4
12
C7
22
A5
3
F3
13
H8
23
J9
4
E6
14
J8
24
E8
5
L5
15
A3
25
P4
6
R6
16
A1
26
L3
7
E5
17
C4
27
L4
8
LC
18
C5
28
H6
9
C9
19
H9
29
H7
10
UC
20
J6
30
U2
Fault Code Retrieval with Infra Red
Remote Controller
In the ARC433A series, the temperature display sections on
the main unit indicate corresponding codes.
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 produced.
• The code indication changes in the sequence shown below
and notifies with a long beep.
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 display also cancels itself if the
button is not pressed for 1 minute.
SkyAir, VRV Infra Red Remote Controller
Wireless Controllers – Fault diagnostics
1. Press the Inspection/Test button to select “Inspection”.
The equipment enters the inspection mode. The “Unit”
indication lights and the Unit No. display shows a flashing
“0” indication.
2. Set the Unit No. by pressing the UP/DOWN button &
change the Unit No. display until a short beep is generated
by the indoor unit.
3. Press the MODE button. The left “0” flashes.
4. Press the UP/DOWN button & change display until 2 short
beeps are heard. First part of fault code.
5. Press the MODE button. The right “0” flashes.
6. Press the UP/DOWN button & change the display until
1 short beep is heard or a continuous beep is heard
indicating both digits match the fault code.
Time
Cancel
Button
00
4
5
1
3
2
6