22
9. Test run
• For description of each check code, refer to the following table.
• On wired remote controller
a
Check code displayed in the LCD.
9.2.2. Using wireless remote controller (option)
[Fig. 9-2-4] (P.10)
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
a
Check code
Symptom
Remark
P1
Intake sensor error
P2, P9
Pipe (Liquid or 2-phase pipe) sensor error
E6, E7
Indoor/outdoor unit communication error
P4
Drain sensor error
P5
Drain pump error
PA
Forced compressor error
P6
Freezing/Overheating safeguard operation
EE
Communication error between indoor and outdoor units
P8
Pipe temperature error
E4
Remote controller signal receiving error
Fb
Indoor unit control system error (memory error, etc.)
E0, E3
Remote controller transmission error
E1, E2
Remote controller control board error
E9
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
For details, check the LED display
of the outdoor controller board.
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 safeguard stop
U6
Compressor overcurrent interruption/Abnormal of power module
U7
Abnormality of super heat due to low discharge temperature
U9, UH
Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/
Current sensor error
Others
Other errors (Refer to the technical manual for the outdoor unit.)
A
TEST RUN button
B
MODE button
C
FAN button
D
VANE button
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
KJ79H016H01.book 22 ページ 2017年2月21日 火曜日 午後5時45分