Specifications

6L86 7URXEOHVKRRWLQJE\,QGLFDWLRQRQWKH8QLILHG212))&RQWUROOHU
Troubleshooting 173
 'LVSOD\³8QGHU&HQWUDOL]HG&RQWURO´%OLQNV5HSHDWV
'RXEOH%OLQN
5HPRWH
&RQWUROOHU
'LVSOD\
³XQGHUFHQWUDOL]HGFRQWURO´5HSHDWVGRXEOHEOLQN
$SSOLFDEOH
0RGHOV
8QLILHG212))FRQWUROOHU
0HWKRGRI
0DOIXQFWLRQ
'HWHFWLRQ
'HWHFWWKHPDOIXQFWLRQDFFRUGLQJWR',,,1(7WUDQVPLVVLRQGDWD
0DOIXQFWLRQ
'HFLVLRQ
&RQGLWLRQV
:KHQQRFHQWUDOFRQWURODGGUHVVHVDUHVHWWRLQGRRUXQLWV
:KHQQRLQGRRUXQLWVDUHFRQQHFWHGZLWKLQWKHFRQWUROUDQJH
6XSSRVHG
&DXVHV
 &HQWUDOFRQWURODGGUHVVJURXS1RLVQRWVHWIRULQGRRUXQLW
 ,PSURSHUFRQWUROUDQJHVHWWLQJVZLWFK
 ,PSURSHUZLULQJRIWUDQVPLVVLRQZLULQJ
7URXEOHVKRRWLQJ
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(V2844)
Is the control
range setting switch
set correctly?
Is
the transmission
wiring disconnected or
wired incorrectly?
Replace the PC board of the
unified ON/OFF controller.
Fix the wiring correctly.
Set by remote controller the
central control address for all
indoor units connected to the
central control line.
YES
YES
Set the control range setting
switch correctly and
simultaneously reset the power
supply for all optional controllers
for centralized control.
NO
NO
NO
YES
Is the central
control address (group No.)
set for the
indoor unit?