11
EN
DEL GNITAEHDEL GNILOOCDEL YBD
NA
TS
Overload protection limit /
reduced fre
uenc
semit 1 sehsalf ,emit emas eht ta sdnoces 3 pots sthgil gnilooc dna gnitaeh
6
F
y
alpsi
d
lortnoc etomer
Oil return
30. Operation status (Direct
display, other oil return
needs remote control)
semit 7 gnihsalF ,sdnoces 3 pots7
F
External machine AC current
protection limit / reduced
fre
uenc
semit 4 sehsalf ,emit emas eht ta sdnoces 3 pots sthgil gnilooc dna gnitaeh8
F
ya
l
ps
i
d
l
o
r
t
n
oc
e
t
o
m
e
r
Exhaust protection limit /
reduced fre
uenc
semit 3 sehsalf ,emit emas eht ta sdnoces 3 pots sthgil gnilooc dna gnitaeh9F
ya
l
ps
i
d
l
o
r
t
n
oc
e
t
omer
PFC over current fault other faults HC
stop 3 seconds, Flashin
6 times
Compressor demagnetization
rotection
other faults HE stop 3 seconds, Flashing 14 times
Compressor overload
rotection
other faults H3 stop 3 seconds, Flashing 3 times
Overload pressure protection other faults H4 stop 3 seconds, Flashing 4 times
Module current protection other faults H5
stop 3 seconds, Flashin
5 times
Indoor fan failure Hardware failure H6
stop 3 seconds, Flashin
11 times
Compressor out of step other faults H7
stop 3 seconds, Flashin
7 times
Outdoor fan 2 failure Hardware failure L
stop 3 seconds, Flashin
24 times
Compressor startup failed other faults Lc
stop 3 seconds, Flashin
11 times
Indoor and outdoor models
do not match
Hardware failure LP stop 3 seconds, Flashing 19 times
Outdoor fan 1 failure Hardware failure L3
stop 3 seconds, Flashin
23 times
Excessive power protection other faults L9
stop 3 seconds, Flashin
20 times
Internal machine undefined Hardware failure OE
Note: The communication protocol requires the external machine to send the shutdown fault bit as a common bit for
all faults.
When the defined faults occur at the same time, only the defined faults are displayed.
ERROR CODES' LIST
Fault name Fault definition Code
LED display (on 0.5S and off 0.5S when the LED flashes)
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