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12-1 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.
Remote controller display
Malfunction
No display
• Batteries are not inserted or batteries maybe discharged
• Remote controller faulty
*A fter turning on the power, the maximum is 90 seconds, although it will only display "Checking the
connection. Please stand by". 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.
1.
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.
(1)
Press the INSPECTION /TEST OPERATION button,"'<®>" is displayed and " 0 " flashes.
(2) Press the Temp. 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 Temp. button until 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 Temp. button until it makes a long beep and find the lower code.
• A long beep indicate the Malfunction code.
NOTE
-,g.
1.
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.
Caution:
Check the items in
"2. Items to be checked at time of delivery"
on page 40 after a test operation.
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