35
[Procedure]
1. Press the CHECK button twice.
2. Press the temperature
buttons.
3. Point the remote controller at the
sensor on the indoor unit and
press the HOUR button.
4. Point the remote controller at the
sensor on the indoor unit and
press the ON/OFF button.
• "CHECK" lights, and address "00" flash-
es.
• Check that the remote controller's
display has stopped before continuing.
• Select the address of the indoor unit
for the self-diagnosis.
Main indoor unit : “00”
Sub indoor unit : “01”
• If an air conditioner error occurs, the
indoor unit's sensor emits an intermit-
tent buzzer sound, the operation light
flashes, and the error code is
output.
(It takes 3 seconds at most for error
code to appear.)
• The check mode is cancelled.
<
Malfunction-diagnosis method at maintenance service>
■
Wireless remote controller
ON/OFF
TEMP
FAN
VANE
MODE
CHECK
LOUVER
TEST RUN
AUTO STOP
AUTO START
h
min
RESET
SET
CLOCK
CHECK
CHECK
display
Temperature
button
CHECK
button
Address
display
HOUR
button
ON/OFF
button
[Output pattern A] Errors detected by indoor unit
*1 If the beeper does not sound again after the initial two beeps to confirm the self-check start signal was received and
the OPERATION INDICATOR lamp does not come on, there are no error records.
*2 If the beeper sounds three times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 sec.)” after the initial two beeps to confirm
the self-check start signal was received, the specified refrigerant address is incorrect.
OPERATION
INDICATOR
lamp flash
pattern
Beep
Beep Beep Beep
Beep
Beep Beep
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
· · · Repeated
Number of flashes/beeps in pattern indicates the check
code in the following table (i.e., n=5 for “P5”)
Number of flashes/beeps in pattern indicates
the check code in the following table
n
th
1
st
2
nd
3
rd
1
st
2
nd
Self-check
starts
(Start signal
received)
Beeper sounds
• Refer to the following tables for details on the check codes.
[Output pattern A]
• On wireless remote controller
2
The continuous buzzer sounds from receiving section of indoor unit.
3
Blink of operation lamp
• On wired remote controller
1
Check code displayed in the LCD.
Beeper sounds/OPERATION
INDICATOR lamp flashes
1
Check code
Symptom
Remark
(Number of times)
Wireless remote controller
Wired remote controller
1
P1
Intake sensor error
2
P2
Pipe (TH2) sensor error
4
P4
Drain sensor error
5
P5
PA
Drain pump error
Forced compressor stop
6
P6
Freezing/ Overheating safeguard operation
8
P8
Pipe temperature error / Outdoor unit error
9
E4, E5
Remote controller signal receiving error
10
–
11
–
–
–
12
Fb
Indoor unit control system error (memory error, etc.)
–
E0, E3
–
E1, E2
Remote controller control board error
Remote controller transmission error
OC360--2.qxp 06.2.24 1:55 PM Page 35
