– 67 –
8-4. Check Codes Displayed on Remote Controller and SMMS-e Outdoor Unit
(7-Segment Display on I/F Board) and Locations to Be Checked
For other types of outdoor units, refer to their own service manuals.
Check code
Location
of
detection
De
s
cription
S
y
s
tem
s
tatu
s
Problem detection
condition(
s
)
Check item
s
(location
s
)
• Check remote controller
inter-
u
nit tie c
ab
le (A/B).
• Check for
b
roken wire or
connector
ba
d cont
a
ct.
• Check indoor power
su
pply.
• Check for defect in indoor
P.C.
b
o
a
rd.
• Check remote controller
a
ddre
ss
s
etting
s
(when two remote
controller
s
a
re in
us
e).
• Check remote controller
P.C.
b
o
a
rd.
Remote
controller
Indoor-remote
controller
comm
u
nic
a
tion
pro
b
lem
(detected
a
t
remote
controller end)
S
top of
corre
s
ponding
u
nit
Comm
u
nic
a
tion
b
etween
indoor P.C.
b
o
a
rd
a
nd
remote controller i
s
di
s
r
u
pted.
E01
—
—
• Check intern
a
l
tr
a
n
s
mi
ss
ion circ
u
it of
remote controller.
--- Repl
a
ce remote
controller
as
nece
ssa
ry.
Remote
controller
Remote
controller
tr
a
n
s
mi
ss
ion
pro
b
lem
S
top of
corre
s
ponding
u
nit
S
ign
a
l c
a
nnot
b
e tr
a
n
s
mitted
from remote controller to
indoor
u
nit.
E02
—
—
• Check remote controller
a
nd network
a
d
a
ptor
wiring.
Indoor
u
nit
Indoor-remote
controller
comm
u
nic
a
tion
pro
b
lem
(detected
a
t
indoor end)
S
top of
corre
s
ponding
u
nit
There i
s
no comm
u
nic
a
tion
from remote controller
(incl
u
ding wirele
ss
) or
network
a
d
a
ptor.
E03
—
—
Indoor
u
nit
Indoor-o
u
tdoor
comm
u
nic
a
tion
circ
u
it pro
b
lem
(detected
a
t
indoor end)
S
top of
corre
s
ponding
u
nit
Indoor
u
nit i
s
not receiving
s
ign
a
l from o
u
tdoor
u
nit.
• Check order in which
power w
as
t
u
rned on for
indoor
a
nd o
u
tdoor
u
nit
s
.
• Check indoor
a
ddre
ss
s
etting.
• Check indoor-o
u
tdoor tie
c
ab
le.
• Check o
u
tdoor termin
a
tor
re
s
i
s
tor
s
etting (
S
W30,
Bit 2).
E04
—
—
I/F
Indoor-o
u
tdoor
comm
u
nic
a
tion
circ
u
it pro
b
lem
(detected
a
t
o
u
tdoor end)
All
s
top
S
ign
a
l c
a
nnot
b
e tr
a
n
s
mitted
from o
u
tdoor to indoor
u
nit
s
for 30
s
econd
s
contin
u
o
us
ly.
• Check o
u
tdoor termin
a
tor
re
s
i
s
tor
s
etting (
S
W30,
Bit 2).
• Check connection of
indoor-o
u
tdoor
comm
u
nic
a
tion circ
u
it.
—
E07
—
Indoor
u
nit
I/F
D
u
plic
a
ted
indoor
a
ddre
ss
D
u
plic
a
ted
indoor
a
ddre
ss
All
s
top
More th
a
n one indoor
u
nit
a
re
ass
igned
sa
me
a
ddre
ss
.
• Check indoor
a
ddre
ss
e
s
.
• Check for
a
ny ch
a
nge
m
a
de to remote controller
connection (gro
u
p/
individ
ua
l)
s
ince indoor
a
ddre
ss
s
etting.
E0
8
E0
8
Remote
controller
D
u
plic
a
ted
m
as
ter remote
controller
S
top of
corre
s
ponding
u
nit
In two remote controller
config
u
r
a
tion (incl
u
ding
wirele
ss
),
b
oth controller
s
a
re
s
et
u
p
as
m
as
ter.
(He
a
der indoor
u
nit i
s
s
h
u
t
down with
a
l
a
rm, while
follower indoor
u
nit
s
contin
u
e oper
a
ting.)
• Check remote controller
s
etting
s
.
• Check remote controller
P.C.
b
o
a
rd
s
.
E0
9
—
—
I/F
No. of indoor
u
nit
s
from which
s
ign
a
l i
s
received
norm
a
lly
S
ign
a
l l
a
ck of
indoor
u
nit
All
s
top
Indoor
u
nit initi
a
lly
comm
u
nic
a
ting norm
a
lly
f
a
il
s
to ret
u
rn
s
ign
a
l for
s
pecified length of time.
• Check power
su
pply to
indoor
u
nit.
(I
s
power t
u
rned on?)
• Check connection of
indoor-o
u
tdoor
comm
u
nic
a
tion c
ab
le.
• Check connection of
comm
u
nic
a
tion connector
s
on indoor P.C.
b
o
a
rd.
• Check connection of
comm
u
nic
a
tion connector
s
on o
u
tdoor P.C.
b
o
a
rd.
• Check for defect in indoor
P.C.
b
o
a
rd.
• Check for defect in o
u
tdoor
P.C.
b
o
a
rd (I/F).
E06
E06
Main
remote
controller
Outdoor 7-
s
e
g
ment di
s
play
Check
code
S
ub-code