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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
• Power supply trouble or Open phase connection
• Wrong wiring between indoor and outdoor unit
• Indoor PC board faulty
• Wrong remote controller conection wiring
• Remote controller faulty
• Fuse faulty
* After 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 wired remote controller. (NOTE 1)
When the operation stops due to trouble, operation lamp will blink, and "Error : Push Menu button" will
appear on the basic screen. When press the Menu/Enter button, the Malfunction code blinks and the
contact address and model name will appear. 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
1 long beep
Perform (3) and (6)
No trouble
(3)
Press the OPERATION MODE SELECTOR button and upper figure of the Malfunction code flashes.
(4)
Continue pressing the PROGRAMMING TIME 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 PROGRAMMING TIME button**until it makes a long beep and find the lower code.
• A long beep indicate the Malfunction code.
NOTE
-,g.
1. In case wired remote controller, either one of the following messages will appear on the basic screen
during operation.
"Error : Push Menu button"
* The operation lamp will blink.
"Warning : Push Menu button"
* The operation lamp will not blink.
Please press Menu/Enter button for see the Malfunction code.
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.
Caution:
Check the items in
"2. Items to be checked at time of delivery"
on page 4 after a test operation.
** Use TEMP Button in case of BRC91A152 remote
Summary of Contents for FCA125AV16
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