Lennox VE2C009N432U, Installation Manual, Page: 29 / 32

Multi Variable Air Conditioners Two-way Cassette Type Indoor Unit
24
8 Display of Light Board
The panel of this model is without nixie tube display. The error codes will be displayed through
the power light, operation light and timer light; ○, ●and
◎
stand for on, off and blink respectively.
Power light
○ ◎ ◎ ◎ ◎
Operation light ◎ ● ○ ○ ◎
Timer light
● ○ ● ○ ●
Error code display sheet
Error
code
C0 A0
A3/A
4
L0 L1 L3 L5 d1 d3 d4 d6 d7 E0 db
Power
light
◎ ○ ○ ● ● ● ○ ◎ ◎ ◎ ● ○ ● ◎
Operati
on light
◎ ◎ ○ ● ○ ◎ ● ○ ● ◎ ◎ ◎ ◎ ●
Timer
light
◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ○ ○ ○ ● ●
Err
or d
es
crip
tio
n
C
om
m
un
ica
tio
n e
rro
r
To
be
de
bu
gg
ed
D
efro
stin
g
Ind
oo
r u
nit
err
or
Ind
oo
r fa
n p
rote
ctio
n
W
ate
r fu
ll p
rote
ctio
n
Fre
ez
e p
rote
ctio
n
Ind
oo
r u
nit
PC
B e
rro
r
Am
bie
nt t
em
pe
ratu
re
se
ns
or e
rro
r
Inle
t p
ipe
te
m
pe
ratu
re
se
ns
or e
rro
r
O
utle
t p
ipe
te
m
pe
ratu
re
se
ns
or e
rro
r
H
um
idity
se
ns
or e
rro
r
O
utd
oo
r u
nit
erro
r
Fie
ld d
eb
ug
gin
g c
od
e
oil re
tu
rn