20
English
6.
Press AIR FLOW DIRECTION ADJUST button (
) to make sure the unit is in operation.
7.
Press INSPECTION/TEST OPERATION button (
) and operate normally.
8.
Confirm function of unit according to the operation manual.
PRECAUTIONS
1.
Refer to
“
12-2 HOW TO DIAGNOSE FOR MALFUNCTION
”
if the unit does not operate properly.
2.
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 12-2 HOW TO DIAGNOSE FOR MALFUNCTION.
NOTE
• If a malfunction is preventing operation, refer to the malfunction diagnoses below.
12-2
HOW TO DIAGNOSE FOR MALFUNCTION
• If the air conditioner does not operate normally after installing the air conditioner,
a malfunction shown in the table below may happen.
*
After turning on the power, the maximun is 90 seconds, although it will only display
“
88
”.
This is not a prob-
lem, and it will be set for 90 seconds.
Diagnose 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 flashes, 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 in 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)
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
history 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.
Remote control display
Malfunction
No display
• Power supply trouble or Open phase connection
• Wrong wiring between indoor and outdoor unit
• Indoor PC board faulty
• Power supply PCB assy 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
