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10.Test run
F
E
D B
TEST RUN
C
COOL, HEAT
˚C
˚C
SIMPLE
TEMP.
ON/OFF
MENU
ON/OFF
FILTER
BACK
MONITOR/SET
DAY
CHECK
TEST
OPERATION
PAR-21MAA
CLOCK
CLEAR
H G
I
M
Fig. 10-1
B
E D
ERROR CODE
TEMP.
ON/OFF
C
MENU
ON/OFF
FILTER
BACK
MONITOR/SET
DAY
CHECK
TEST
OPERATION
PAR-21MAA
CLOCK
CLEAR
A
Fig. 10-2
• For description of each check code, refer to the following table.
Check code
P1
Intake sensor error
P2
Pipe (TH2) sensor error
P9
Pipe (TH5) 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, E5
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)
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.)
*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.
Check code displayed in the LCD.
12
A ON/OFF button
B Test run display
C Indoor temperature liquid line tem-
perature display
D ON/OFF lamp
E Power display
F Error code display
Test run remaining time display
A
G Set temperature button
H Mode selection button
I Fan speed button
M TEST button
ERROR CODE
B
E
ERROR CODE
F
A CHECK button
B Refrigerant address
C TEMP. button
D IC:
Indoor unit
OC: Outdoor unit
E Check code
F Unit address
Symptom
10.2. Test run
The following 3 methods are available.
10.2.1. Using wired remote controller (Fig. 10-1)
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 opera-
tion manual for the indoor unit.
10.3. Self-check
10.3.1. Wired remote controller (Fig. 10-2)
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.
Remark
For details, check the LED display
of the outdoor controller board.
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