10
8.2.3. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
8.3. Self-check
8.3.1. Wired remote controller (Fig. 8-3)
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
8.3.2. Wireless remote controller (Fig. 8-4)
1
Turn on the power.
2
Press the
CHECK
button twice.
(Start this operation from the status of remote controller display turned off.)
A
CHECK
begins to light.
B
«00» begins to blink.
3
While pointing the remote controller toward the unit’s receiver, press the
h
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.
4
Press the ON/OFF button to stop the self-check.
8. Test run
ON/OFF
TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESET
SET
CLOCK
CHECK
2
4
A
3
B
Fig. 8-4
ON/OFF
CHECK
FILTER
CHECK TEST
TEMP.
TIMER SET
B
C
A
STAND BY
DEFROST
INDOOR UNIT
ADDRESS NO
ERROR CODE
OA UNIT ADDRESS NO
CENTRALLY CONTROLLED
CLOCK
ON OFF
˚C
1Hr.
NOT AVAILABLE
˚C
CHECK MODE
FILTER
CHECK
FUNCTION
STAND BY
DEFROST
INDOOR UNIT
ADDRESS NO
ERROR CODE
OA UNIT ADDRESS NO
CENTRALLY CONTROLLED
CLOCK
ON OFF
˚C
1Hr.
NOT AVAILABLE
˚C
CHECK MODE
FILTER
CHECK
FUNCTION
a)
D
E
F
Fig. 8-3
• For description of each check code, refer to the following table.
1
Check code
Symptom
2
Buzzer sound
3
OPE LED
P1
Intake sensor error
Single beep
×
1
Lit for 1 sec.
×
1
P2
Pipe sensor error
Single beep
×
2
Lit for 1 sec.
×
2
P4
Drain sensor error
Single beep
×
4
Lit for 1 sec.
×
4
P5
Drain pump error
Single beep
×
5
Lit for 1 sec.
×
5
P6
Freezing / Overheating safeguard operation
Single beep
×
6
Lit for 1 sec.
×
6
P8
Pipe temperature error
Single beep
×
8
Lit for 1 sec.
×
8
P9
TH5 sensor error
Single beep
×
2
Lit for 1 sec.
×
2
U0–UP
Outdoor unit error
Double beep
×
1
Lit for 0.4 sec. + 0.4 sec.
×
1
F1–FA
Outdoor unit error
Double beep
×
1
Lit for 0.4 sec. + 0.4 sec.
×
1
E0–E5
Signal error between remote controller and indoor units
Sounds other than above
Lights other than above
E6–EF
Communication error between indoor and outdoor units
Sounds other than above
Lights other than above
– –
No alarm history
No sound
Not lit
F F F F
No unit
Triple beep
Not lit
• On wireless remote controller
2
The continuous buzzer sounds from receiving section of indoor unit.
3
Blink of operation lamp
• On wired remote controller
1
Check code displayed in the LCD.
• If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause.
Symptom
Cause
Wired remote controller
LED 1, 2 (PCB in outdoor unit)
H0
H0
→
Error code
Display messages do not apper even
when operation switch is turned ON
(operation lamp does not light up).
For about 2
minutes following
power-on
After about 2
minutes has
expired following
power-on
After LED 1, 2 are lighted, LED 2 is turned off,
then only LED 1 is lighted. (Correct operation)
Only LED 1 is lighted.
→
LED 1, 2 blink.
Only LED 1 is lighted.
→
LED 1 blinks twice,
LED 2 blinks once.
• For about 2 minutes following power-on, operation of the
remote controller is not possible due to system start-up. (Cor-
rect operation)
• Connector for the outdoor unit’s protection device is not con-
nected.
• Reverse or open phase wiring for the outdoor unit’s power
terminal block (L1, L2, L3)
• Incorrect wiring between indoor and outdoor units (incorrect
polarity of S1, S2, S3)
• Remote controller wire short
On the wireless remote controller with condition above, following phenomena takes place.
• No signals from the remote controller are accepted.
• OPE lamp is blinking.
• The buzzer makes a short pipng sound.
