Mitsubishi Electric PQHY-P120THMU-A, Service Handbook

Page: 379 / 414

[
X
LED Monitor Display on the Heat source Unit Board ]
- 370 - HWE09080
1
6
4
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C
u
rrent
dat
a
No
.
SW1
Ite
m
Disp
la
y
Unit
(A
, B)
*1
Re
m
a
rk
s
12
34
567
89
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D1
LD
2
L
D3
LD4
L
D
5
L
D6
L
D
7
L
D
8
O
C
OS
*1
A:
Th
e co
ndi
ti
on o
f ei
th
e
r OC o
r OS i
s
di
sp
la
ye
d i
n
d
iv
id
u
a
lly
. B:
Th
e co
ndi
ti
on o
f t
h
e
e
n
ti
re
r
e
fr
ig
er
an
t sy
st
e
m
i
s
d
is
p
la
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e
d.