68
Installation and Maintenance
Service Manual
3RVVLEOH&DXVHV
'LVFULPLQDWLQJ0HWKRG$LUFRQGLWLRQHU6WDWXV
7URXEOHVKRRWLQJ
6HWWHPSHUDWXUHLVLPSURSHU
2EVHUYHWKHVHWWHPSHUDWXUHRQUHPRWHFRQWUROOHU$GMXVWWKHVHWWHPSHUDWXUH
5RWDWLRQVSHHGRIWKH,'8IDQ
motor is set too low
Small wind blow
6HWWKHIDQVSHHGDWKLJKRUPHGLXP
)LOWHURILQGRRUXQLWLVEORFNHG
&KHFNWKH¿OWHUWRVHHLWVEORFNHG
&OHDQWKH¿OWHU
,QVWDOODWLRQSRVLWLRQIRULQGRRUXQLW
DQGRXWGRRUXQLWLVLPSURSHU
&KHFNZKHWKHUWKHLQVWDOODWLRQSRVWLRQLVSURSHU
DFFRUGLQJWRLQVWDOODWLRQUHTXLUHPHQWIRUDLU
conditioner
$GMXVWWKHLQVWDOODWLRQSRVLWLRQDQGLQVWDOOWKH
UDLQSURRIDQGVXQSURRIIRURXWGRRUXQLW
5HIULJHUDQWLVOHDNLQJ
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJFRROLQJLV
KLJKHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJKHDWLQJLV
ORZHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
8QLWVSUHVVXUHLVPXFKORZHUWKDQUHJXODWHG
range
)LQGRXWWKHOHDNDJHFDXVHVDQGGHDOZLWKLW
Add refrigerant.
0DOIXQFWLRQRIZD\YDOYH
EORZFROGZLQGGXULQJKHDWLQJ
5HSODFHWKHZD\YDOYH
0DOIXQFWLRQRIFDSLOODU\
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJFRROLQJLV
KLJKHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJKHDWLQJLV
ORZHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
8QLWWSUHVVXUHLVPXFKORZHUWKDQUHJXODWHG
UDQJH,IUHIULJHUDQWLVQ¶WOHDNLQJSDUWRIFDSLOODU\
LVEORFNHG
5HSODFHWKHFDSLOODU\
)ORZYROXPHRIYDOYHLV
LQVXI¿FLHQW
7KHSUHVVXUHRIYDOYHVLVPXFKORZHUWKDQWKDW
VWDWHGLQWKHVSHFL¿FDWLRQ
2SHQWKHYDOYHFRPSOHWHO\
0DOIXQFWLRQRIKRUL]RQWDORUL]RQWDOORXYHUFDQ¶WVZLQJ
5HIHUWRSRLQWRIPDLQWHQDQFHPHWKRGIRU
details
0DOIXQFWLRQRIWKH,'8IDQPRWRU 7KH,'8IDQPRWRUFDQ¶WRSHUDWH
5HIHUWRWURXEOHVKRRIRUPDLQWHQDQFH
PHWKRGLQGHWDLOV
0DOIXQFWLRQRIWKH2'8IDQPRWRU7KH2'8IDQPRWRUFDQWRSHUDWH
5HIHUWRSRLQWRIPDLQWHQDQFHPHWKRGIRU
details
0DOIXQFWLRQRIFRPSUHVVRU
Compressor can't operate
5HIHUWRSRLQWRIPDLQWHQDQFHPHWKRGIRU
details
9.4 Troubleshooting for Normal Malfunction
1. Air Conditioner Can't be Started Up
2. Poor Cooling (Heating) for Air Conditioner
3. Horizontal Louver Can't Swing
3RVVLEOH&DXVHV
'LVFULPLQDWLQJ0HWKRG$LUFRQGLWLRQHU6WDWXV
7URXEOHVKRRWLQJ
1RSRZHUVXSSO\RUSRRU
FRQQHFWLRQIRUSRZHUSOXJ
$IWHUHQHUJL]DWLRQRSHUDWLRQLQGLFDWRULVQ¶WEULJKW
DQGWKHEX]]HUFDQWJLYHRXWVRXQG
&RQ¿UPZKHWKHULWVGXHWRSRZHUIDLOXUH,I\HV
ZDLWIRUSRZHUUHFRYHU\,IQRWFKHFNSRZHU
VXSSO\FLUFXLWDQGPDNHVXUHWKHSRZHUSOXJLV
connected well.
Wrong wire connection between
LQGRRUXQLWDQGRXWGRRUXQLW
or poor connection for wiring
terminals
8QGHUQRUPDOSRZHUVXSSO\FLUFXPVWDQFHV
RSHUDWLRQLQGLFDWRULVQWEULJKWDIWHUHQHUJL]DWLRQ
&KHFNWKHFLUFXLWDFFRUGLQJWRFLUFXLWGLDJUDP
DQGFRQQHFWZLUHVFRUUHFWO\0DNHVXUHDOO
ZLULQJWHUPLQDOVDUHFRQQHFWHG¿UPO\
(OHFWULFOHDNDJHIRUDLUFRQGLWLRQHU
$IWHUHQHUJL]DWLRQURRPFLUFXLWEUHDNHUWULSVRIIDW
once
0DNHVXUHWKHDLUFRQGLWLRQHULVJURXQGHG
reliably
0DNHVXUHZLUHVRIDLUFRQGLWLRQHULVFRQQHFWHG
correctly
&KHFNWKHZLULQJLQVLGHDLUFRQGLWLRQHU&KHFN
ZKHWKHUWKHLQVXODWLRQOD\HURISRZHUFRUGLV
GDPDJHGLI\HVSODFHWKHSRZHUFRUG
0RGHOVHOHFWLRQIRUDLUVZLWFKLV
improper
$IWHUHQHUJL]DWLRQDLUVZLWFKWULSVRII
6HOHFWSURSHUDLUVZLWFK
0DOIXQFWLRQRIUHPRWHFRQWUROOHU
$IWHUHQHUJL]DWLRQRSHUDWLRQLQGLFDWRULVEULJKW
ZKLOHQRGLVSOD\RQUHPRWHFRQWUROOHURUEXWWRQV
KDYHQRDFWLRQ
Replace batteries for remote controller
Repair or replace remote controller
3RVVLEOH&DXVHV
'LVFULPLQDWLQJ0HWKRG$LUFRQGLWLRQHU6WDWXV
7URXEOHVKRRWLQJ
:URQJZLUHFRQQHFWLRQRUSRRU
connection
&KHFNWKHZLULQJVWDWXVDFFRUGLQJWRFLUFXLW
diagram
Connect wires according to wiring diagram to
PDNHVXUHDOOZLULQJWHUPLQDOVDUHFRQQHFWHG
¿UPO\
Stepping motor is damaged
Stepping motor can't operate
Repair or replace stepping motor
Main board is damaged
2WKHUVDUHDOOQRUPDOZKLOHKRUL]RQWDOORXYHU
can't operate
5HSODFHWKHPDLQERDUGZLWKWKHVDPHPRGHO
Summary of Contents for IAC24MD-D3DNA3D
Page 5: ...2 7HFKQLFDO QIRUPDWLRQ Service Manual Model List ...
Page 88: ......