11
Fig. 8-1
A
ON/OFF button
B
Test run display
C
Indoor temperature liquid line
temperature display
D
ON/OFF lamp
E
Power display
F
Error code display
Test run remaining time display
G
Set temperature button
H
Mode selection button
I
Fan speed button
M
TEST button
8.2. Test run
The following 2 methods are available.
8.2.1. Using wired remote controller (Fig. 8-1)
1
Turn on the power at least 12 hours before the test run.
2
Press the [TEST] button twice.
➡
“TEST RUN” liquid crystal display
3
Press the [Mode selection] button.
➡
Make sure that wind is blown out.
4
Press the [Mode selection] button and switch to the cooling (or heating) mode.
➡
Make sure that cold (or warm) wind is blown out.
5
Press the [Fan speed] button.
➡
Make sure that the wind speed is switched.
6
Check operation of the outdoor unit fan.
7
Release test run by pressing the [ON/OFF] button.
➡
Stop
8
Register a telephone number.
The telephone number of the repair shop, sales office, etc., to contact if an error
occurs can be registered in the remote controller. The telephone number will be
displayed when an error occurs. For registration procedures, refer to the operation
manual for the indoor unit.
8.2.2. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
8.3. Self-check (Wired remote controller) (Fig. 8-2)
1
Turn on the power.
2
Press the [CHECK] button twice.
3
Set refrigerant address with [TEMP] button if system control is used.
4
Press the [ON/OFF] button to stop the self-check.
A
CHECK button
B
Refrigerant address
C
TEMP. button
D
IC: Indoor unit
OC: Outdoor unit
E
Check code
F
Unit address
Fig. 8-2
8. Test run
OPERATION
INDICATOR
lamp flash
pattern
Beep
Beep
Beep
Beep
Beep
Beep
Beep
Off
Approx. 2.5 sec.
On
Approx. 3 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
Approx. 3 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
[Output pattern B]
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. (Wireless remote controller)
[Output pattern A]
Wireless remote controller
Wired remote controller
Symptom
Remark
Beeper sounds/OPERATION
INDICATOR lamp flashes
(Number of times)
Check code
1
P1
Intake sensor error
2
P2, P9
Pipe (Liquid or 2-phase pipe) sensor error
3
E6, E7
Indoor/outdoor unit communication error
4
P4
Drain sensor error
5
P5
Drain pump error
6
P6
Freezing/Overheating safeguard operation
7
EE
Communication error between indoor and outdoor units
8
P8
Pipe temperature error
9
E4
Remote controller signal receiving error
10
–
–
11
–
–
12
Fb
Indoor unit control system error (memory error, etc.)
No sound
– – – –
No corresponding
[Output pattern A] Errors detected by indoor unit
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