54
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
$GMXVWWKHLQVWDOODWLRQSRVLWLRQDQGLQVWDOOWKH
UDLQSURRIDQGVXQSURRIIRURXWGRRUXQLW
5HIULJHUDQWLVOHDNLQJ
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJFRROLQJLV
KLJKHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJKHDWLQJLV
ORZHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
8QLWVSUHVVXUHLVPXFKORZHUWKDQUHJXODWHG
range
)LQGRXWWKHOHDNDJHFDXVHVDQGGHDOZLWKLW
Add refrigerant.
0DOIXQFWLRQRIZD\YDOYH
EORZFROGZLQGGXULQJKHDWLQJ
5HSODFHWKHZD\YDOYH
0DOIXQFWLRQRIFDSLOODU\
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJFRROLQJLV
KLJKHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
'LVFKDUJHGDLUWHPSHUDWXUHGXULQJKHDWLQJLV
ORZHUWKDQQRUPDOGLVFKDUJHGZLQGWHPSHUDWXUH
8QLWWSUHVVXUHLVPXFKORZHUWKDQUHJXODWHG
UDQJH,IUHIULJHUDQWLVQ¶WOHDNLQJSDUWRIFDSLOODU\
LVEORFNHG
5HSODFHWKHFDSLOODU\
)ORZYROXPHRIYDOYHLV
LQVXI¿FLHQW
3UHVVXUHDWWKHYDOYHLVPXFKORZHUWKDQWKH
UHJXODWHGUDQJHL
2SHQWKHYDOYHFRPSOHWHO\
0DOIXQFWLRQRIKRUL]RQWDORUL]RQWDOORXYHUFDQ¶WVZLQJ
5HIHUWRSRLQWRIPDLQWHQDQFHPHWKRGIRU
details
0DOIXQFWLRQRIWKH,'8IDQPRWRU 7KH,'8IDQPRWRUFDQ¶WRSHUDWH
5HIHUWRWURXEOHVKRRIRUPDLQWHQDQFH
PHWKRGLQGHWDLOV
0DOIXQFWLRQRIWKH2'8IDQPRWRU7KH2'8IDQPRWRUFDQWRSHUDWH
5HIHUWRSRLQWRIPDLQWHQDQFHPHWKRGIRU
details
0DOIXQFWLRQRIFRPSUHVVRU
&RPSUHVVRUFDQWRSHUDWH
5HIHUWRSRLQWRIPDLQWHQDQFHPHWKRGIRU
details
9.4 Troubleshooting for Normal Malfunction
1. Air Conditioner Can't be Started Up
2. Poor Cooling (Heating) for Air Conditioner
3. Horizontal Louver Can't Swing
3RVVLEOH&DXVHV
'LVFULPLQDWLQJ0HWKRG$LUFRQGLWLRQHU6WDWXV
7URXEOHVKRRWLQJ
1 R S R Z H U V X S S O \ R U S R R U
FRQQHFWLRQIRUSRZHUSOXJ
$IWHUHQHUJL]DWLRQRSHUDWLRQLQGLFDWRULVQ¶WEULJKW
DQGWKHEX]]HUFDQWJLYHRXWVRXQG
&RQ¿UPZKHWKHULWVGXHWRSRZHUIDLOXUH,I\HV
ZDLWIRUSRZHUUHFRYHU\,IQRWFKHFNSRZHU
VXSSO\FLUFXLWDQGPDNHVXUHWKHSRZHUSOXJLV
connected well.
Wrong wire connection between
LQGRRU XQLW DQG RXWGRRU XQLW
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
0RGHO VHOHFWLRQ IRU DLU VZLWFK LV
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
Wrong wire connection, or poor
connection
&KHFNWKHZLULQJVWDWXVDFFRUGLQJWRFLUFXLW
diagram
Connect wires according to wiring diagram to
PDNHVXUHDOOZLULQJWHUPLQDOVDUHFRQQHFWHG
¿UPO\
Stepping motor is damaged
6WHSSLQJPRWRUFDQWRSHUDWH
Repair or replace stepping motor
Main board is damaged
2WKHUVDUHDOOQRUPDOZKLOHKRUL]RQWDOORXYHU
FDQWRSHUDWH
5HSODFHWKHPDLQERDUGZLWKWKHVDPHPRGHO