Mitsubishi Electric PURY-HP144, Service Handbook

Page: 369 / 398

[10 - 2 LED Status Indicators Table]
10 LED Status Indicators on th
e Outdoor Unit Circuit Board
8
- chapter 10 HWE18220_GB
D
a
ta
be
fore
err
or
No
.
SW
4 (SW
6-
9: O
F
F
,
SW6-
10:
OFF
)
It
e
m
Display
Unit
(A,
B
)
*1
Rem
arks
123
4
567890
LD1
LD2
L
D3
LD4
LD5
LD
6
LD7
LD8
O
C
O
S
201
100
1001100
Outdoor unit
operation
s
tatus
B
C
operati
o
n
signal
Warm-
up m
ode
3
-minutes res
tar
t
mo
d
e
Com
pres
sor in
operation
Pr
el
im
inary error
E
rror
3-minutes res
tar
t
af
ter instant
a-
n
eous power
f
ail-
ure
P
reli
m
inary low
press
u
re error
AA
202
010
1001100
OC/OS i
d
ent
ifi
c
at
ion
OC
/O
S
AA
203
1
10
1001100
B
C
op
erat
ion
mo
de
C
o
oli
n
g
-only O
N
Cooling-only
OF
F
Heating-only
ON
Heati
n
g
-only
OFF
M
ixed-
mode ON
Mi
xe
d
-mo
d
e
OF
F
Fan
S
to
p
A
A
205
101
1001100
Outdoor unit
Operati
o
n
m
o
de
P
e
rm
issible st
o
p
Standby
Cooli
n
g
C
o
oli
n
g
-main
Hea
ting
Hea
ting-m
ain
A
A
208
000
0101100
Outdoor unit
control
m
o
de
S
to
p
T
her
mo OF
F
A
bnor
mal st
o
p
S
c
heduled con-
trol
In
itial start up
Defrost
O
il
balance
Low frequenc
y
oi
l reco
very
AA
209
100
0101100
R
e
fr
iger
ant
re-
co
very
Continuous h
eat
-
ing 2
Continuous
heat-
ing 1
AA
211
110
0101100
Relay
output display
1
C
om
p
in
oper
a-
tion
72C
O
C
A
lw
ays li
t
A
A
212
001
0101100
Relay
output
display
2
Top
21S4a
C
H
11
SV
1a
SV
2
AA
Bo
tt
o
m
2
1
S4
b
213
101
0101100
Relay
output
display
3
Top
21S4c
Lit
while powe
r t
o
the indoor
units
is
b
e
in
g
s
u
p
p
lie
d
AA
Bo
tt
o
m
214
011
0101100
Relay
output
display
4
Top
O
ptional 20
0 V
ou
tp
ut
CH
2
1
AA
Bo
tt
o
m
216
000
1101100
TH4
-99
.9 t
o
999.9
A
A
T
he unit
is [
°C]
217
100
1101100
T
H3
-99
.9 t
o
999.9
A
A
218
010
1101100
T
H7
-99
.9 t
o
999.9
A
A
219
110
1101100
T
H6
-99
.9 t
o
999.9
A
A
221
101
1101100
T
H5
-99
.9 t
o
999.9
A
A
225
100
0011100
T
H9
-99
.9 t
o
999.9
A
A
T
he unit
is [
°C]
227
110
0011100
T
HHS
1
-99
.9 t
o
999.9
A
A
T
he unit
is [
°C]
229
1
01
0011100
High-p
ress
ure
s
ensor
data
-99
.9
t
o
999.9
A
A
T
he unit
is [
k
g
f/cm
2
]
230
011
0011100
Low-
press
ure sens
or
da
ta
-99
.9 t
o
999.9
A
A
233
010
1011100
T
H15
-99
.9 t
o
999.9
A
A
T
he unit
is [
°C]
234
010
1011100
T
H11
-99
.9 t
o
999.9
A
A
235
110
1011100
T
H16
-99
.9 t
o
999.9
A
A
236
001
1011100
T
H17
-99
.9 t
o
999.9
A
A
237
101
1011100
T
H18
-99
.9 t
o
999.9
A
A
238
011
1011100
A
L
h
0:
-,
1:
Low, 2:
Mid,
3:
H
igh
A
A
249
100
1111100
Q
j
000
0 to 99
99
B
B
250
010
1111100
Q
jc
000
0 to 99
99
B
B
251
110
1111100
Q
jh
000
0 to 99
99
B
B
252
001
1
111100
Target Tc
-99
.9 t
o
999.9
B
The unit
is [
°C]
253
101
1111100
Target Te
-99
.9 t
o
999.9
B
254
0
11
1111100
Tc
-99
.9 t
o
999.9
A
A
T
he unit
is [
°C]
255
1
11
1111100
Te
-99
.9 t
o
999.9
A
A
*1
A: The
condition of
ei
ther
OC o
r OS
is
displaye
d
individually
. B
:
The c
ondit
ion
of the en
tire
refri
g
erant sy
stem
is
di
s
p
laye
d.