47
Check whether the
compressor di
i
scharge temp. i
i
s
more than
115°C ?
Yes
C
C
C
h
hh
e
ee
c
cc
k
kk
w
w
w
h
hh
e
ee
t
tt
h
hh
e
ee
r
rr
t
tt
h
hh
e
ee
r
rr
e
ee
f
ff
r
rri
i
g
gg
e
ee
r
rr
a
aa
n
nn
t
tt i
i
s
ss l
l
e
ee
a
aa
k
kk
No
No
Check
whether
the
connecti
i
on i
i
s ri
i
ght between
compressor di
i
scharge temp.
sensor and PCB accordi
i
ng
to wi
i
ri
i
ng
di
i
agrams?
No
Temperature protection of compressor
discharge
Correct the wi
i
ri
i
ng connecti
i
on
Stop l
l
eaki
i
ng and add refri
i
gerant
10.3.3.8 Temperature protection of compressor discharge (ODU P4)
Yes
Yes
No
Repl
l
ace hi
i
gh pressure val
l
ve assy
Measure t
t
he resi
i
st
t
ance
val
l
ue of
f
compressor
di
i
scharge temp. sensor. I
I
f
f
t
t
he val
l
ue i
i
s not
t
normal
l
i
i
s
normal
l
refer to
the
Appendi
i
x
2?
Yes
Repl
l
ace outdoor mai
i
n PCB
No
Repl
l
ace the compressor di
i
scharge temp. sensor