Mitsubishi Electric PQHY-P120THMU-A, Service Handbook

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[
X
LED Monitor Display on the Heat source Unit Board ]
- 389 - HWE09080
D
a
ta o
n
in
doo
r un
it syst
em
No
.
SW1
Ite
m
Disp
la
y
Unit
(A
, B
)
*1
Re
m
a
rk
s
12
34
567
89
0
L
D1
LD
2
L
D3
LD4
L
D
5
L
D6
L
D
7
L
D
8
O
C
OS
57
3
1
0
1
1
110
00
1
IC1S
H
-9
9.
9
to
99
9.
9
B
Th
e un
it is
[
°C
]
57
4
0
1
1
1
110
00
1
IC2S
H
-9
9.
9 t
o
99
9.
9
57
5
1
1
1
1
110
00
1
IC3S
H
-9
9.
9 t
o
99
9.
9
57
6
0
0
0
0
001
00
1
IC4S
H
-9
9.
9 t
o
99
9.
9
57
7
1
0
0
0
001
00
1
IC5S
H
-9
9.
9 t
o
99
9.
9
57
8
0
1
0
0
001
00
1
IC6S
H
-9
9.
9 t
o
99
9.
9
57
9
1
1
0
0
001
00
1
IC7S
H
-9
9.
9 t
o
99
9.
9
58
0
0
0
1
0
001
00
1
IC8S
H
-9
9.
9 t
o
99
9.
9
58
1
1
0
1
0
001
00
1
IC9S
H
-9
9.
9 t
o
99
9.
9
58
2
0
1
1
0
001
00
1
IC10
SH
-9
9
.9
to
9
9
9
.9
58
3
1
1
1
0
001
00
1
IC11
SH
-9
9
.9
to
9
9
9
.9
58
4
0
0
0
1
001
00
1
IC12
SH
-9
9
.9
to
9
9
9
.9
58
5
1
0
0
1
001
00
1
IC13
SH
-9
9
.9
to
9
9
9
.9
58
6
0
1
0
1
001
00
1
IC14
SH
-9
9
.9
to
9
9
9
.9
58
7
1
1
0
1
001
00
1
IC15
SH
-9
9
.9
to
9
9
9
.9
58
8
0
0
1
1
001
00
1
IC16
SH
-9
9
.9
to
9
9
9
.9
58
9
1
0
1
1
001
00
1
IC17
SH
-9
9
.9
to
9
9
9
.9
59
0
0
1
1
1
001
00
1
IC18
SH
-9
9
.9
to
9
9
9
.9
59
1
1
1
1
1
001
00
1
IC19
SH
-9
9
.9
to
9
9
9
.9
59
2
0
0
0
0
101
00
1
IC20
SH
-9
9
.9
to
9
9
9
.9
59
3
1
0
0
0
101
00
1
IC21
SH
-9
9
.9
to
9
9
9
.9
59
4
0
1
0
0
101
00
1
IC22
SH
-9
9
.9
to
9
9
9
.9
59
5
1
1
0
0
101
00
1
IC23
SH
-9
9
.9
to
9
9
9
.9
59
6
0
0
1
0
101
00
1
IC24
SH
-9
9
.9
to
9
9
9
.9
59
7
1
0
1
0
101
00
1
IC25
SH
-9
9
.9
to
9
9
9
.9
59
8
0
1
1
0
101
00
1
IC26
SH
-9
9
.9
to
9
9
9
.9
59
9
1
1
1
0
101
00
1
IC27
SH
-9
9
.9
to
9
9
9
.9
*1
A:
The
c
o
n
d
it
io
n of
ei
ther
OC or
OS is
di
sp
la
ye
d in
di
vi
d
ual
ly
. B:
The
c
o
n
d
it
io
n of
th
e en
ti
re
r
e
fr
ig
e
ra
n
t sy
st
em i
s
di
sp
la
y
ed
.