Mitsubishi Electric City Multi CMH-WM250V-A, Service Handbook

Page: 414 / 436

[10-3 LED Status Indicators Table]
1
0 LE
D
St
at
u
s In
di
ca
to
rs
BS_10_E chapter 10 -
5
11L
E
D
S
tat
us
I
ndi
ca
to
rs
on
t
he O
ut
doo
r
U
nit
C
ir
cui
t B
oa
rd
10-3
L
ED Status Indicators Table
C
u
rrent
dat
a
No.
SW4 (When SW6 -
10 is set to OFF)
Item
Disp
lay
Unit
(A
, B)
*1
*2
Remarks
12
34
567
89
0
L
D1
LD
2
LD3
LD4
L
D5
L
D
6
L
D7
LD
8
O
C
0
0
000000000
Relay ou
tput display 1
Lighting
Comp in
opera-
tion
72C
OC
CPU in
operation
A
Check (e
rror) display 1
OC/OS e
rror
0000 to
9999 (Address
and error codes h
ighlighted)
B
1
1
000000000
Check (e
rror) display 2
OC/OS e
rror
0000 to
9999 (Address
and error codes h
ighlighted)
A
Disp
lay of
the late
st preliminary
er
ror
If
no preliminary errors
are de-
te
cted, "----" appears on the dis-
pl
ay
.
2
0
100000000
Check (e
rror) display 3
(Includin
g IC and BC)
0000 to
9999 (Address
and error codes h
ighlighted)
B
If
no errors are det
ected, "----"
a
ppears on the
display.
3
1
100000000
Relay ou
tput
display 2
T
op
21
S4a
SV1
0
CH11
SV1a
SV2
SV1
1
A
B
ottom
21S4b
SV5b
4
0
010000000
Relay ou
tput
display 3
To
p
21S4c
SV9
Power s
upply for
indoor transmis-
sion line
A
B
ottom
SV14
SV15
7
1
110000000
Special control
Retry o
peration
Emergen
cy op-
erat
io
n
Communic
ation
erro
r
3-minute
restart
delay mode
B
9
1
001000000
Communic
ation demand ca
-
pacity
0000 t
o 9999
B
If
no
t d
emanded
controlle
d,
"----
" [ % ] appe
ars on the displa
y.
10
0
101000000
Contact
p
oint
demand
capa
c-
ity
0000 t
o 9999
B
If
no
t d
emanded
controlle
d,
"----
" [ % ] appe
ars on the displa
y.
11
1
101000000
Externa
l signal
(Open in
put contact po
int)
Contact point
de-
mand
Low-noise
mode
(Capac
ity priori-
ty
)
Snow sen
sor
Cooling-heatin
g
changeove
r
(Cooling)
Cooling-heating
changeover
(Heating)
A
12
0
011000000
Externa
l signal
(Open in
put contact po
int)
Circulat
ion fan is
lo
cked.
Low-noise
mode
(Quiet priority)
A
13
1
011000000
Externa
l signal
Circulation
fan
outp
ut
A
14
0
111000000
Outdoo
r unit operation
status
Warm-up mode
3-minutes restart
mode
Compressor in
operation
Preliminary error
Error
3-minu
tes res
tart
afte
r instanta-
neous power
fail-
ure
Prelimina
ry low
pressu
re error
A
15
1
111000000
OC/OS id
entification
OC/OS
-1/OS-2
A
*1
A: The conditio
n of either OC o
r OS is displayed
individually. B: The
condition of th
e entire refrigera
nt system is display
ed.
*2
This model of ou
tdoor unit is no
t used in combin
ation, and the
re is no OS in th
e system. The sta
tus of the OC will
be shown.
0000
0049
88.B
OOK
5 ペ
ージ
２
０１
９年
５月
９日
木
曜日
午前
８時
１５
分