Rev. E 10-2021
78
MTEC.4000.GB-E-1 Operation and maintenance manual LHA series English
LHA P2U/P2S
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Code
Alarm Description
Cause
Solution
AP1
$ODUPXVHULQOHWZDWHUWHPSHUDWXUH
sensor
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sensor.
AP10
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sensor
AP2
$ODUPXVHURXWOHWZDWHUWHPSHUDWXUH
sensor
AP3
$ODUPSUHVVXUHWUDQVGXFHU
AP4
$ODUP¿QQHGFRLOVHQVRUGHIURVW
sensor
AP5
$ODUPGRPHVWLFKRWZDWHULQOHWWHPSH
-
UDWXUHVHQVRU
AP6
$ODUPGRPHVWLFKRWZDWHURXWOHW
WHPSHUDWXUHVHQVRU
AP7
$ODUPDPELHQWVHQVRU
:URQJHOHFWULFDOFRQQHFWLRQ
6HQVRUGHIHFW
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WKHVHQVRUWRWKHWHUPLQDOERDUGLI
FRUUHFWFDOOWKHVHUYLFHWRUHSODFHWKH
sensor.
AP8
1RWXVHG
AP9
1RWXVHG
AtE1
(YDSRUDWRUZDWHUSXPSRYHUORDG
AtE2
(YDSRUDWRUZDWHUSXPSRYHUORDG
B1 HP
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,QKHDWLQJPRGH
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FLUFXLWZDWHUÀRZ
,QFRROLQJPRGH
,QVXI¿FLHQWDLUÀRZDWWKHVRXUFHIDQ
,QVXI¿FLHQWGRPHVWLFKRWZDWHU
FLUFXLWZDWHUÀRZ
Restore the correct user circuit
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ZDWHUFLUFXLWZDWHUÀRZ
5HVWRUHWKHFRUUHFWDLUÀRZWR
VSXUFHIDQ
5HVWRUHWKHFRUUHFWGRPHVWLFKRW
ZDWHUFLUFXLWZDWHUÀRZ
b1AC
$QWLIUHH]HDODUPFLUFXLW
FRROLQJPRGH
7RRORZZDWHUWHPSHUDWXUH
&KHFNXVHUWHPSHUDWXUHVHWSRLQW
&KHFNXVHUZDWHUÀRZ
b1AH
$QWLIUHH]HDODUPFLUFXLW
KHDWLQJPRGH
7RRORZZDWHUWHPSHUDWXUH
&KHFNXVHUWHPSHUDWXUHVWHWSRLQW
b1dF
:URQJGHIURVWFLUFXLW
PD[LPXPWLPHDGPLWWHG
'HIURVWWLPHWRRORQJ
2XWVLGHWHPSHUDWXUHRXWVLGHWKH
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5HIULJHUDQWFKDUJHOHDNDJH
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b1hP
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circuit 1
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5HSODFHWKHIDXOW\WUDQVGXFHU
B1LP
/RZSUHVVXUHVZLWFKFLUFXLW
5HIULJHUDQWFKDUJHOHDNDJH
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b1lP
/RZSUHVVXUHWUDQVGXFHUDODUP
circuit 1
7UDQVGXFHUGHIHFW
5HSODFHWKHIDXOW\WUDQVGXFHU