Abnormal point and detection method
Case
Judgment and action
8
Temperature of heatsink
$EQRUPDOLIKHDWVLQNWKHUGHWHFWV
WHPSHUDWXUHLQGLFDWHGEHORZ
+$ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ Û)>&@
7+,QWHUQDOWKHUPLVWRU
1
7KHRXWGRRUIDQPRWRULVORFNHG
2
)DLOXUHRIRXWGRRUIDQPRWRU
3
$LUIORZSDWKLVFORJJHG
4
5LVHRIDPELHQWWHPSHUDWXUH
5
'HIHFWLYHWKHUPLVWRU
6
'HIHFWLYHLQSXWFLUFXLWRIRXW
-
GRRUSRZHUFLUFXLWERDUG
7
)DLOXUHRIRXWGRRUIDQGULYHFLUFXLW
12
&KHFNRXWGRRUIDQ
3
&KHFNDLUIORZSDWKIRUFRROLQJ
4
&KHFNLIWKHUHLVVRPHWKLQJZKLFKFDXVHV
WHPSHUDWXUHULVHDURXQGRXWGRRUXQLW
8SSHUOLPLWRIDPELHQWWHPSHUDWXUHLVÛ)
>
:
@
7XUQRIISRZHUDQGRQDJDLQWRFKHFNLI8
LVGLVSOD\HGZLWKLQPLQXWHV
,I8LVGLVSOD\HGLQVWHDGRI8IROORZWKH
DFWLRQWREHWDNHQIRU8
5
&KHFNUHVLVWDQFHYDOXHRIWKHU
RUWHPSHUDWXUHE\PLFURFRPSXWHU
7KHU2:72
&+(&.7+(3$576
6:RQ$&RQWURO6HUYLFH7RRO5HIHU
WR)81&7,212)6:,7&+(6
&211(&7256$1'-803(56
6
5HSODFHRXWGRRUSRZHUFLUFXLWERDUG
7
5HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUG
8
Power module
&KHFNDEQRUPDOLW\E\GULYLQJSRZHUPRG
-
XOHLQFDVHRYHUFXUUHQWLVGHWHFWHG
8)RU83HUURUFRQGLWLRQ
1
2XWGRRUVWRSYDOYHLVFORVHG
2
'HFUHDVHRISRZHUVXSSO\YROWDJH
3
/RRVHQHVVGLVFRQQHFWLRQRU
FRQYHUVHRIFRPSUHVVRUZLULQJ
FRQQHFWLRQ
4
'HIHFWLYHFRPSUHVVRU
5
'HIHFWLYHRXWGRRUSRZHUFLUFXLW
ERDUG
1
2SHQVWRSYDOYH
2
&KHFNIDFLOLW\RISRZHUVXSSO\
3
&RUUHFWWKHZLULQJ8Â9Â:SKDVHWRFRP
-
SUHVVRU5HIHUWR7(6732,17
',$*5$02XWGRRUSRZHUFLUFXLWERDUG
4
&KHFNFRPSUHVVRUUHIH2:
72&+(&.7+(3$576
5
5HSODFHRXWGRRUSRZHUFLUFXLWERDUG
Check Code
8
Open/short circuit of outdoor unit
temperature thermistor (TH4, TH34)
$EQRUPDOLIRSHQÛ)>
:
@RUOHVVRU
VKRUWÛ)>
:
@RUPRUHLVGHWHFWHG
GXULQJFRPSUHVVRURSHUDWLRQ
'HWHFWLRQLVLQRSHUDWLYHIRUPLQXWHV
RIFRPSUHVVRUVWDUWLQJSURFHVVDQGIRU
PLQXWHVDIWHUDQGGXULQJGHIURVWLQJ
7+7KHUPLVWRU'LVFKDUJH!
7+7KHUPLVWRU&RPSVXUIDFH!
1
'LVFRQQHFWLRQRUFRQWDFWIDLOXUH
RIFRQQ7+RQ
WKHRXWGRRUFRQWUROOHUFLUFXLW
ERDUG
2
'HIHFWLYHWKHUPLVWRU
3
'HIHFWLYHRXWGRRUFRQWUROOHU
FLUFXLWERDUG
1
&KHFNFRQQHFWLRQRIFRQ7+RQ
WKHRXWGRRUFRQWUROOHUFLUFXLWERDUG&KHFNEUHDN
-
LQJRIWKHOHDGZ7+5HIHUWR
7(6732,17',$*5$0
2
&KHFNUHVLVWDQFHY7+RU
WHPSHUDWXUHE\PLFURSURFHVVRU
7KHU7+2:72
&+(&.7+(3$5766:RQ$&RQWURO6HUYLFH
7RRO5HIHUWR)81&7,212)6:,7&+(6
&211(&7256$1'-803(56
3
5HSODFHRXWGRRUFRQWUROOHUERDUG
8
7+
7+
7+
7+
7+
1
&KHFNFRQQHFWLRQRIFRQ7+7+
7+RQWKHRXWGRRUFRQWUROOHUFLUFXLWERDUG
&KHFNFRQQHFWLRQRIFRQQHFWRU&1RQWKH
RXWGRRUSRZHUFLUFXLWERDUG
&KHFNEUHDNLQJRIWKHOHDGZ
7+7+7+7+
5HIHUWR7(6732,17',$*5$0
2
&KHFNUHVLVWDQFHY7+7+
7+7+7+RUFKHFNWHPSHUDWXUHE\
PLFURSURFHVVRU
7+7+7+7+2:72
&+(&.7+(3$576
6:RQ$&RQWURO6HUYLFH7RRO5HIHUWR
)81&7,212)6:,7&+(6&211(&7256
$1'-803(56
3
5HSODFHRXWGRRUFRQWUROOHUFLUFXLWERDUG
1RWH(PHUJHQF\RSHUDWLRQLVDYDLODEOH
LQFDVHRIDEQRUPDOL
7+7+DQG7+5HIHUWR
(0(5*(1&<23(5$7,21
1
'LVFRQQHFWLRQRUFRQWDFWIDLOXUH
RIFRQQHFWRUV
2XWGRRUFRQWUROOHUFLUFXLWERDUG
:
7+7+7+
2XWGRRUSRZHUFLUFXLWERDUG
:
&1
2
'HIHFWLYHWKHUPLVWRU
3
'HIHFWLYHRXWGRRUFRQWUROOHU
FLUFXLWERDUG
7KHUPLVWRUV
2SHQGHWHFWLRQ
6KRUWGHWHFWLRQ
6\PERO
1DPH
7+7+
7KHUPLVWRU/LTXLG!6XFWLRQ!
íÛ)>í&@RUEHORZ
Û)>&@RUDERYH
7+
7KHUPLVWRUSKDVHSLSH!
íÛ)>í&@RUEHORZ
Û)>&@RUDERYH
7+
7KHUPLVWRU$PELHQW!
íÛ)>í&@RUEHORZ
Û)>&@RUDERYH
7+
7KHHDWVLQN!
íÛ)>í&@RUEHORZ
Û)>&@RUDERYH
7+
,QWHUQDOWKHUPLVWRU
íÛ)>í&@RUEHORZ
Û)>&@RUDERYH
Open/short of outdoor unit thermistors
(TH3, TH32, TH6, TH7, and TH8)
$EQRUPDOLIRSHQRUVKRUWLVGHWHFWHG
GXULQJFRPSUHVVRURSHUDWLRQ
2SHQGHWHF7+DQG7+LV
LQRSHUDWLYHIRUVHFRQGVWRPLQXWHV
DIWHUFRPSUHVVRUVWDUWLQJDQGPLQXWHV
DIWHUDQGGXULQJGHIURVWLQJ
1RWH&KHFNZKLFKXQLWKDVDEQRUPDOLW\LQ
LWVWKHUPLVWRUE\VZLWFKLQJWKHPRGH
RI6:3$&6.67
5HIHUWR)81&7,212)
6:,7&+(6&211(&7256$1'
-803(56
OCH567
