73
Installation and Maintenance
Service Manual
No.
0DOIXQFWLRQ
Name
'LVSOD\0HWKRGRI,QGRRU8QLW
'LVSOD\0HWKRGRI2XWGRRU
Unit
$&VWDWXV
3RVVLEOH&DXVHV
'XDO
Code
Display
,QGLFDWRU'LVSOD\GXULQJ
EOLQNLQJ21VDQG2))
0.5s)
,QGLFDWRUKDVNLQGVRI
GLVSOD\VWDWXVDQGGXULQJ
EOLQNLQJ21VDQG2))
0.5s
Operation
Indicator
Cool
Indicator
Heating
Indicator
Yellow
Indicator
Red
Indicator
Green
Indicator
35
Internal motor
(fan motor) do
not operate
H6
,QWHUQDOIDQPRWRUH[WHUQDOIDQ
PRWRUFRPSUHVVRUDQGHOHFWULF
KHDWHUVWRSRSHUDWLRQJXLGH
ORXYHUVWRSVDWSUHVHQW
location.
1. Bad contact of DC motor
IHHGEDFNWHUPLQDO
2. Bad contact of DC motor
control end.
3. Fan motor is stalling.
0RWRUPDOIXQFWLRQ
0DOIXQFWLRQRIPDLQERDUGUHY
GHWHFWLQJFLUFXLW
36
System is
abnormal
H4
OFF 1S
DQGEOLQN
6 times
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQFRPSUHVVRUZLOOVWRS
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
5HIHUWRWKHPDOIXQFWLRQDQDO\VLV
RYHUORDGKLJKWHPSHUDWXUH
resistant)
37
Static
GHGXVWLQJ
protection
H2
38
'HV\QFKUR
nizing of
compressor
H7
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQFRPSUHVVRUZLOOVWRS
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
5HIHUWRWKHPDOIXQFWLRQ
DQDO\VLV,30SURWHFWLRQORVV
RIV\QFKURQLVPSURWHFWLRQDQG
RYHUFXUUHQWSURWHFWLRQRISKDVH
FXUUHQWIRUFRPSUHVVRU
39
PFC
protection
HC
OFF 3S
DQGEOLQN
14 times
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQFRPSUHVVRUZLOOVWRS
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
5HIHUWRWKHPDOIXQFWLRQDQDO\VLV
40
2XWGRRU'&
fan motor
PDOIXQFWLRQ
L3
OFF 3S
and
EOLQN
14 times
2XWGRRU'&IDQPRWRU
PDOIXQFWLRQOHDGWRFRPSUHVVRU
VWRSRSHUDWLRQ
'&IDQPRWRUPDOIXQFWLRQRU
V\VWHPEORFNHGRUWKHFRQQHFWRU
loosed
41
power
protection
L9
OFF 3S
DQGEOLQN
9 times
compressor stop operation and
2XWGRRUIDQPRWRUZLOOVWRS
VODWWHUPLQXWHVODWWHU
fan motor and compressor will
restart
7RSURWHFWWKHHOHFWURQLFDO
FRPSRQHQWVZKHQGHWHFWKLJK
power
42
,QGRRUXQLW
DQGRXWGRRU
XQLWGRHVQW
PDWFK
LP
OFF 3S
DQGEOLQN
16 times
FRPSUHVVRUDQG2XWGRRUIDQ
PRWRUFDQWZRUN
,QGRRUXQLWDQGRXWGRRUXQLWGRHVQW
PDWFK
43
)DLOXUHVWDUW
XS
LC
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQFRPSUHVVRUZLOOVWRS
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
5HIHUWRWKHPDOIXQFWLRQDQDO\VLV
44
Normal
FRPPXQLFD
tion
contino-
XVO\
45
Defrosting
OFF 3S
DQGEOLQN
once
GXULQJ
EOLQNLQJ
ON 10s
and OFF
0.5s)
OFF 3S
DQGEOLQN
twice
'HIURVWLQJZLOORFFXULQKHDWLQJ
mode. Compressor will operate
ZKLOHLQGRRUIDQZLOOVWRS
operation.
,WVWKHQRUPDOVWDWH
