29
English
[Mode switching]
12-1 HOW TO DIAGNOSE FOR PROBLEMS
With the power on. Troubles can be monitored on the remote controller.
The fault diagnosis for the BRC1E model remote controller should be performed while referring to the
installation manual supplied with the remote controller. For the other remote controllers, perform the fault
diagnosis using the following procedure.
Trouble shooting with the remote controller display.
1
With the wired remote controller. (NOTE 1)
When the operation stops due to trouble, the operation lamp flashes, and the display indicates “
”
and the malfunction code. Diagnosis can be carried out using the malfunction code list according to the
indicated malfunction code.
In addition, when in group control it indicates the unit No., so the malfunction detected unit No. will
be clarified. For resetting the malfunction, see (NOTE 2).
2
With the wireless remote controller.
(Also refer 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, diag-
nose 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.
When the INSPECTION/OPERATION button on the remote controller is pressed, the “
” indication
starts flashing.
2.
When the ON/OFF button is kept pressed for 5 seconds or longer during the inspection mode, the above
trouble history indication disappears. In this case, after the malfunction code indication flashes twice, the
indication of code becomes “00” (normal) and unit NO. becomes “0”. Then, the display automatically
changes from the inspection mode to the normal mode.
Normal operating mode
BRC1D,
Wireless remote controller
Test operation mode
Inspection mode
Field setting
(Press
4 seconds
or more)
Once
Once
Once
Once
Once
Once
Once
Once
“Malfunction code”
display
“Indoor unit type
code” display
“Outdoor unit type
code” display
*
*
*
* After leaving 10 seconds
or more, the mode returns
to the normal operating
mode.
01_EN_3P249378-6L.fm Page 29 Sunday, September 30, 2012 2:30 PM
