Select "Service" from the Main menu (refer to page 17), and press the
button.
Button operation
[
1
]
Select "Remote controller check" with the F1 or F2 button, and press the
button.
[
2
]
Select "Remote controller check" from the Service menu, and press the
button to start the remote controller check and see the check results.
To cancel the remote controller check and exit the Remote controller check
menu screen, press the or the button.
The remote controller will not reboot itself.
Check the remote controller display and see if anything is displayed
(including lines). Nothing will appear on the remote controller display
if the correct voltage (8.5 – 12 VDC) is not supplied to the remote con-
troller. If this is the case, check the remote controller wiring and indoor
units.
[
3
]
OK: No problems are found with the remote controller. Check other
parts for problems.
E3, 6832: There is noise on the transmission line, or the indoor unit or another
remote controller is faulty. Check the transmission line and the
other remote controllers.
NG (ALL0, ALL1):
Send-receive circuit fault. Remote controller needs replacing.
ERC:
The number of data errors is the discrepancy between the number of
bits in the data transmitted from the remote controller and that of the
data that was actually transmitted over the transmission line. If data
errors are found, check the transmission line for external noise inter-
ference.
Remote controller check results screen
If the button is pressed after the remote controller check results are
displayed, remote controller check will end, and the remote controller will
automatically reboot itself.
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