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9. Test run
Refer to the following tables for details on the check codes. (Wireless remote controller)
[Output pattern A]
Beeper sounds
Beep
OPERATION
INDICATOR
lamp blinking
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
received)
[Output pattern B]
Beeper sounds
Beep
OPERATION
INDICATOR
lamp blinking
Off
pattern
Self-check
Approx. 2.5 sec.
starts
(Start signal
received)
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp flashes
(Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
*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.
• On wireless remote controller
The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
9.3. Self check
Refer to the installation manual that comes with each remote controller.
Beep
Beep
Beep
Beep
rd
st
nd
3
n
1
2
On
On
On
On
0.5 sec.
0.5 sec.
0.5 sec.
0.5 sec.
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for "P5")
Beep
Beep
st
nd
1
2
On
On
On
0.5 sec.
0.5 sec.
Approx. 3 sec.
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for "U2")
Wired remote
controller
Check code
E9
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
UP
Compressor overcurrent interruption
U3, U4
Open/short of outdoor unit thermistors
UF
Compressor overcurrent interruption (When compressor locked)
U2
Abnormal high discharging temperature/49C worked/ insufficient refrigerant
U1, Ud
Abnormal high pressure (63H worked)/ Overheating safeguard operation
U5
Abnormal temperature of heat sink
U8
Outdoor unit fan protection stop
U6
Compressor overcurrent interruption/Abnormal of power module
U7
Abnormality of super heat due to low discharge temperature
Abnormality such as overvoltage or voltage shortage and abnormal
U9, UH
synchronous signal to main circuit/Current sensor error
–
–
–
–
Others
Other errors (Refer to the technical manual for the outdoor unit.)
Beep
Beep
th
st
nd
1
2
Repeated
· · ·
Off
On
On
Approx. 2.5 sec.
0.5 sec.
0.5 sec.
Number of blinks/beeps in pattern indicates
the check code in the following table
Beep
Beep
rd
th
3
n
On
On
Off
0.5 sec.
0.5 sec.
Approx. 2.5 sec.
Symptom
Beep
Beep
st
nd
1
2
Repeated
· · ·
On
On
On
0.5 sec.
0.5 sec.
Approx. 3 sec.
Number of blinks/beeps in pattern indicates
the check code in the following table
Remark
For details, check the LED
display of the outdoor controller
board.
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