English
25
With the power on. Troubles can be monitored on the remote controller.
■
Trouble shooting with the display on the liquid crystal display remote controller.
1.
With the wired remote controller. (NOTE 1)
When the operation stops due to trouble, operation lamp flashed, and “
” and the Malfunction code
are indicated on the liquid crystal display. In such a case, diagnose the fault contents by referring to the
table on the Malfunction code list it case of group control, the unit No. is displayed so that the indoor
unit no with the trouble can be recognized. (NOTE 2)
2.
With the wireless remote controller.
(Refer also to the operation manual attached to the wireless remote controller)
When the operation stops due to trouble. the display on the indoor unit flashes. In such a case,
diagnose the fault contents with the table on the Malfunction code list looking for the Malfunction code
which can be found by following procedures. (NOTE 2)
(1)
Press the INSPECTION /TEST OPERATION button, “
” is displayed and “ 0 ” flashes.
(2)
Press the PROGRAMMING TIME button and find the unit No. which stopped due to trouble.
Number of beeps 3 short beeps Perform all the following operations
1 short beep
Perform (3) and (6)
1
long beep
No trouble
(3)
Press the OPERATION MODE SELECTOR button and upper figure of the Malfunction code flashes.
(4)
Continue pressing the PROGRAMMING TIME button unit it makes 2 short beeps and find the upper code.
(5)
Press the OPERATION MODE SELECTOR button and lower figure of the Malfunction code flashes.
(6)
Continue pressing the PROGRAMMING TIME button unit it makes a long beep and find the lower code.
• A long beep indicate the Malfunction code.
NOTE
1.
In case wired remote controller. Press the INSPECTION /TEST OPERATION button on remote
controller, “
” starts flashing and changes the inspection mode.
2.
Keep down the ON/OFF button for 5 seconds or longer in the inspection mode and the above trouble
his¬tory disappears, after the trouble code goes on and off twice, followed by the code “00”(normal).
The display changes from the inspection mode to the normal mode.
11-2 Malfunction code list
•
For places where the Malfunction code is left blank, the “
” indication is not displayed. Though the
system continues operating, be sure to inspect the system and make repairs as necessary.
•
Depending on the type of indoor or outdoor unit, the Malfunction code may or may not be displayed.
Code
Malfunction/Remarks
A0
Safety device operates
A1
Indoor unit’s PC board faulty
A3
Drain water level abnormal
A6
Indoor fan motor overloaded, overcurrent or locked
A7
Swing flap motor malfunction/lock
AF
Humidifier faulty
AH
Air cleaner faulty
Only the air cleaner does not function.
AJ
Type set improper
Capacity data is wrongly preset. Or there is nothing programmed in the data hold IC.
C4
Sensor for heat exchanger temperature is fault
C9
Sensor for suction air temperature is fault
CC
Humidity sensor abnormal
CJ
Sensor for remote controller is fault
The remote controller thermistor does not function, but the system thermo run is
possible.
E0
Action of safety device (outdoor unit)
E1
Outdoor unit’s PC board faulty
