Optional Wired Controller
Error
Code Description
Fo Pump-down
H1 )RUFHGGHIURVWLQJ
H3 &RPSUHVVRURYHUKHDWLQJSURWHFWLRQ
H5 IPM Current protection
H6 0RWRUVWDOOLQJ
H7 Compressor desynchronized
Hc PFC protection
HE
&RPSUHVVRUGHPDJQHWL]DWLRQ
protection
L3 Outdoor fan 1 error protection
L9 Over-power protection
LA Outdoor fan 2 error protection
Lc Compressor startup failure
Ld
&RPSUHVVRUSKDVHORVVUHYHUVDO
protection
LE &RPSUHVVRUVWDOOLQJ
LF 2YHUVSHHGLQJ
LP Indoor and outdoor units unmatched
P5 Over phase current protection
P6 Drive board communication error
P7
,30WHPSHUDWXUHVHQVRURSHQVKRUW
circuited
P8 IPM Temperature Protection
P9 AC contactor protection
Pd Sensor connection protection
PE Temperature drift protection
PF Drive board temperature sensor error
PH '&EXVRYHUYROWDJHSURWHFWLRQ
PL '&EXVXQGHUYROWDJHSURWHFWLRQ
PP $&LQSXWYROWDJHDEQRUPDO
PU &DSDFLWRUFKDUJLQJHUURU
U1
&RPSUHVVRUSKDVHFXUUHQWVHQVLQJ
circuit error"
U3 '&EXVYROWDJHGURSHUURU
U5 :KROHXQLWFXUUHQWVHQVLQJFLUFXLWHUURU
U7 ZD\YDOYHUHYHUVLQJHUURU
U8 3*PRWRU]HURFURVVLQJSURWHFWLRQ
Error
Code Description
b5
Indoor unit liquid valve temperature
VHQVRURSHQVKRUWFLUFXLWHG
b7
,QGRRUJDVYDOYHWHPSHUDWXUHVHQVRU
RSHQVKRUWFLUFXLWHG
C5 Jumper error
dn
Communication line disconnected or
expansion valve error
E1 +LJKSUHVVXUHSURWHFWLRQ
E2 $QWLIUHH]LQJSURWHFWLRQ
E3 Low pressure protection
E4 +LJKGLVFKDUJHWHPSHUDWXUHSURWHFWLRQ
E5 Whole unit over-current protection
E6
Indoor and outdoor communication
error
E7 5XQQLQJ0RGHOFRQÀLFW
E8 Overload protection
E9 Indoor unit full water error
En
)UHTXHQF\UHVWULFWHGUHGXFHGZLWK,30
current protection
EU
)UHTXHQF\UHVWULFWHGUHGXFHGZLWK,30
temperature protection
F0
6\VWHPFKDUJHVKRUWDJHRUEORFNDJH
protection
F1
5HWXUQDLUWHPSHUDWXUHVHQVRURSHQ
short circuited
F2
(YDSRUDWRUWHPSHUDWXUHVHQVRURSHQ
short circuited
F3
Outdoor ambient temperature sensor
RSHQVKRUWFLUFXLWHG
F4
Outdoor unit condenser mid-tube
WHPSHUDWXUHVHQVRURSHQVKRUW
circuited
F5
'LVFKDUJHWHPSHUDWXUHVHQVRURSHQ
short circuited
F6
)UHTXHQF\UHVWULFWHGUHGXFHGZLWK
overload protection
F8
)UHTXHQF\UHVWULFWHGUHGXFHGZLWK
whole unit current protection
F9
)UHTXHQF\UHVWULFWHGUHGXFHGZLWKKLJK
GLVFKDUJHWHPSHUDWXUH
FH
)UHTXHQF\UHVWULFWHGUHGXFHGZLWK
DQWLIUHH]LQJSURWHFWLRQ
Table 5.1 Error Code Description
3DJH