7. Test run
Step 5 Stop the test run.
1 Press the [ON/OFF] button to stop the test run. (The Test run menu will appear.)
Note: If an error is displayed on the remote controller, see the table below.
LCD
Description of malfunction
P1
Intake sensor error
P2
Pipe sensor error (liquid pipe)
Drain fl oat switch connector disconnected
P4
(CN4F)
P5
Drain overfl ow protection operation
Freezing/overheating protection
P6
operation
P8
Pipe temperature error
See the table below for the details of the LED display (LED 1, 2, and 3) on the indoor controller board.
LED1 (microcomputer power supply)
LED2 (remote controller power supply)
LED3 (indoor/outdoor unit communication)
ON/OFF
MODE
CHECK
TEST RUN
Fig. 7-5
ON/OFF
MODE
CHECK
TEST RUN
Fig. 7-6
LCD
P9
PA
PL
FB
U*, F*
(* indicates an
alphanumeric
character
excluding FB.)
Indicates whether control power is supplied. Make sure that this LED is always lit.
Indicates whether power is supplied to the wired remote controller. The LED is lit only for the indoor unit that is con-
nected to the outdoor unit that has an address of 0.
Indicates whether the indoor and outdoor units are communicating. Make sure that this LED is always blinking.
TEST RUN
TEMP
FAN
AUTO STOP
VANE
AUTO START
LOUVER
h
min
SET
RESET
CLOCK
CHECK
TEMP
FAN
AUTO STOP
VANE
AUTO START
LOUVER
h
min
SET
RESET
CLOCK
Description of malfunction
Pipe sensor error (dual-wall pipe)
Leakage error (refrigerant system)
Refrigerant circuit abnormal
Indoor controller board error
Outdoor unit malfunction
Refer to the wiring diagram for the
outdoor unit.
7.2.2. Using wireless remote controller (Fig. 7-5)
Turn on the power to the unit at least 12 hours before the test run.
1
TEST RUN
Press the
button twice continuously.
2
(Start this operation from the status of remote controller display turned off.)
and current operation mode are displayed.
A
TEST RUN
MODE
Press the
3
cool air is blown out from the unit.
MODE
Press the
4
warm air is blown out from the unit.
FAN
Press the
button and check whether fan speed changes.
5
VANE
Press the
button and check whether the auto vane operates properly.
6
Press the ON/OFF button to stop the test run.
7
Note:
• Point the remote controller towards the indoor unit receiver while following
steps
to
.
2
7
• It is not possible to run the TEST RUN in FAN, DRY or AUTO mode.
7.2.3. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
7.3. Self-check
7.3.1. Wired remote controller
■ Refer to the installation manual that comes with each remote controller for details.
Press the [CHECK] button twice.
1
Set refrigerant address with [TEMP] button if system control is used.
2
Press the [ON/OFF] button to stop the self-check.
3
CHECK button
A
Refrigerant address
B
TEMP. button
C
IC:
Indoor unit
D
OC: Outdoor unit
Check code
E
Unit address
F
7.3.2. Wireless remote controller (Fig. 7-6)
Turn on the power.
1
CHECK
Press the
button twice.
2
(Start this operation from the status of remote controller display turned off.)
begins to light.
A
B
"00" begins to blink.
While pointing the remote controller toward the unit's receiver, press the
3
button. The check code will be indicated by the number of times that the buzzer
sounds from the receiver section and the number of blinks of the operation
lamp.
Press the ON/OFF button to stop the self-check.
4
LCD
Description of malfunction
Communication error between the
E0 ~ E5
remote controller and the indoor unit
Communication error between the
E6 ~ EF
indoor unit and the outdoor unit
button to activate
mode, then check whether
button to activate
mode, then check whether
h
13