15
9. Test run
9.2.2. Using wireless remote controller (option)
[Fig. 9-2-3]
a
Turn on the power to the unit at least 12 hours before the test run.
b
Press the TEST RUN button
A
twice continuously.
(Start this operation from the status of remote controller display turned off.)
and current operation mode are displayed.
c
Press the MODE button
B
to activate COOL mode, then check whether cool air is
blown out from the unit.
d
Press the MODE button
B
to activate HEAT mode, then check whether warm air
is blown out from the unit.
e
Press the FAN button
C
and check whether fan speed changes.
f
Press the VANE button
D
and check whether the auto vane operates properly.
g
Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver while following
steps
b
to
g
.
• It is not possible to run the in FAN, DRY or AUTO mode.
[Output pattern A] Errors detected by indoor unit
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
*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
• On wired remote controller
Check code displayed on the LCD.
A
TEST RUN button
B
MODE button
C
FAN button
D
VANE button
ON/OFF
TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESET
SET
CLOCK
TEST RUN
B
A
C
D
TEST RUN
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.)
14
PL
Refrigerant circuit abnormal
No sound
– –
No corresponding
Wireless remote controller
Symptom
Remark
Beeper sounds/OPERATION INDICATOR
lamp flashes (Number of times)
1
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
For details, check the LED
display of the outdoor controller
board.
2
Compressor overcurrent interruption
3
Open/short of outdoor unit thermistors
4
Compressor overcurrent interruption (When compressor locked)
5
Abnormal high discharging temperature/49C worked/ insufficient refrigerant
6
Abnormal high pressure (63H worked)/ Overheating safeguard operation
7
Abnormal temperature of heat sink
8
Outdoor unit fan protection stop
9
Compressor overcurrent interruption/Abnormal of power module
10
Abnormality of super heat due to low discharge temperature
11
Abnormality such as overvoltage or voltage shortage and abnormal
synchronous signal to main circuit/Current sensor error
12
–
13
–
14
Other errors (Refer to the technical manual for the outdoor unit.)
WT09638X02.book 15 ページ ２０２０年１０月６日 火曜日 午後４時８分
