English
18
PRECAUTIONS
•
Refer to the diagnoses below if the unit does not operate properly.
•
After completing the test run, press the INSPECTION/TEST OPERATION button once to put the
unit in inspection mode, and make sure the Malfunction code is “00” (=normal).
If the code reads anything other than “00”, refer to the malfunction diagnoses below.
NOTE
•
If a malfunction is preventing operation, refer to the malfunction diagnoses below.
2. Cautions for servicing
With the power on. Troubles can be monitored on the remote controller.
•
If the air conditioner does not operate normally after installing the air conditioner.
a malfunction shown in the table below may happened.
∗
After turning on the power, the maximum is 90 seconds, although it will only display “88”. This is not
a problem, and it will be set for 90 seconds.
!
Trouble shooting with the display on the liquid crystal display remote controller.
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 refer-
ing 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)
NOTE
1.
In case wired remote controller. Press the INSPECTION /TEST OPERATION button on remote con-
troller, “
” 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
history disappears, after the Malfunction code goes on and off twice, followed by the code “00”(nor-
mal). The display changes from the inspection mode to the normal mode.
3. Malfunction code
•
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.
Remote control display
Malfunction
No display
•
Power supply trouble or Open phase connection
•
Wrong wiring between indoor and outdoor unit
•
Indoor PC board faulty
•
Wrong remote control connection wiring
•
Remote control faulty
•
Fuse faulty
88
∗
•
Indoor PC board faulty
•
Wrong wiring between indoor and outdoor unit
88 flashing
•
Wrong wiring between indoor and outdoor unit
Code
Malfunction/Remarks
A1
Indoor unit’s PC board faulty
A3
Drain water level abnormal
A6
Indoor fan motor overloaded, overcurrent or locked
A7
Swing flap motor locked
Only the air flow direction can not be controlled.
AF
Humidifier faulty
AH
Air cleaner faulty
Only the air cleaner does not function.
01_EN_3P156215-4C.fm Page 18 Saturday, May 14, 2005 9:17 AM
