Specifications
Service Check Function Si01-406
84 Service Diagnosis
3. Service Check Function
3.1 ARC423 Series Remote Controller
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.
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.
C
ON
AMPM
AMPM
TEMP
ON/OFF
MODE
ON
OFF
TIMER
FA N
SWING
CANCEL
Transmitter
It sends signals to the indoor unit.
ON/OFF button
Press it once to start operation.
To stop it, press it once again.
CLOCK button
TIMER CANCEL button
It cancels the timer setting.
FAN setting button
It selects the air flow rate setting.
SWING button
It changes the temperature
setting.
Display
It displays the
current settings.
(In this illustration,
each section is
shown with all its
displays ON for the
purpose of
explanation. Some
models may not
show all its
indications.)
ON TIMER button
TIMER Setting button
It changes the time setting
MODE selector button
It selects the operation mode.
TEMPERATURE
adjustment buttons
: DRY
: COOL
: FAN
Open
the
cover.
OFF TIMER button
(R4113)
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 J3 24 E8
5 L5 15 A3 25 P4
6 A6 16 A1 26 L3
7 E5 17 C4 27 L4
8 LC 18 C5 28 H6
9 C9 19 H9 29 H7
10 U0 20 J6 30 U2