10
AUTO-DIAGNOSIS TABLE
EN
DEL GNITAEHDEL GNILOOCDEL YB
DNA
T
S
Jumper cap failure Hardware failure C5
stop 3 seconds, Flashin
15 times
Memory chip read and write
failure
Hardware failure EE stop 3 seconds, Flashing 15 times
Module current protection
limit/ reduced fre
uenc
/nEy
a
lp
s
id lortnoc
etomer
Module temperature
protection limit / reduced
fre
uenc
se
m
it 6 sehsal
f
,e
m
it emas
eht ta s
d
noces 3 pots sthgil gnilo
o
c dn
a
g
n
ita
e
h
U
E
y
a
lps
i
d
l
o
rtn
oc
e
t
omer
System high voltage
rotection
other faults E1 stop 3 seconds, Flashing 1 times
Anti-freeze protection other faults E2
stop 3 seconds, Flashin
2 times
System low voltage
rotection
other faults E3 stop 3 seconds, Flashing 3 times
Exhaust over heat protection other faults E4 stop 3 seconds, Flashing 4 times
External AC current
rotection
other faults E5 stop 3 seconds, Flashing 5 times
Internal and external machine
communication failure
Hardware failure E6 stop 3 seconds, Flashing 6 times
Mode conflict Hardware failure E7
stop 3 seconds, Flashin
7 times
Overload temperature
acka
e failure
Hardware failure
FE (not
shown
//
Anti-freeze protection limit /
down-fre
uenc
s
emit
2 sehsalf ,emit
emas eht ta sdnoces 3 pots sthgil gnilooc dna gnitaehHFy
al
p
s
id lor
t
noc
etomer
fluorine receiving mode
The operating status
immediately displays
Fo ("o" is
the lower
art of
The cooling and standby LEDs are
turned off at the same time and the
3S flashes once
semit 01 gnihsalF ,sdnoces 3 pots
0
Fstluaf
r
ehton
oi
tcet
o
rp y
c
neicifed edi
r
ou
l
F
Indoor environmental
tem
erature
acka
e failure
semit 1 gnihsalF ,sdnoces 3 pots 1F
e
r
uliaf erawdraH
Indoor evaporator middle
tem
erature
acka
e failure
semit 2 gnihsal
F
,s
d
no
c
es 3 pots
2
Fe
r
uli
a
f eraw
d
rah
Outdoor environmental
tem
erature
acka
e failure
se
mit 3 g
ni
hsalF ,
sd
no
c
e
s
3 pot
s3F
e
r
uli
af
e
r
a
w
d
r
a
H
Outdoor condenser
temperature sensing package
failure
semit 4 gnihsalF ,sdnoces 3 pots4F eruliaf er
awdraH
Outdoor exhaust temperature
acka
e failure
semit 5 gnihsalF ,sdnoces 3 pots5F eruliaf
e
rawdr
a
H
ERROR CODES' LIST
Fault name Fault definition Code
LED display (on 0.5S and off 0.5S when the LED flashes)