e
Troubleshooting 16
f
2.Field Maintenance
Possible causes of trouble
P
o
w
e
r fa
ilu
re
B
low
n f
u
se
or
va
ri
st
or
Lo
o
se
co
n
n
e
ct
io
n
s
S
h
or
te
d or
br
oke
n
w
ir
e
s
Sa
fe
ty
d
e
v
ic
e
o
p
e
n
s
F
a
u
lty
th
e
rmo
st
a
t /
r
o
o
m
te
mp
e
ra
tu
re
s
e
n
so
r
W
rong
s
e
tt
ing
pl
a
c
e
of
t
e
m
p
e
ra
tur
e
s
e
ns
or
F
a
u
lty
tr
a
n
sf
o
rme
r
S
h
or
te
d or
ope
n
c
a
pa
c
it
o
r
F
a
u
lt
y
m
a
g
n
e
ti
c
co
n
ta
c
to
r f
o
r co
m
p
re
ss
o
r
F
a
ul
ty
m
a
g
n
e
ti
c
c
o
nt
a
c
to
r f
o
r f
a
n
Lo
w
v
o
lt
a
g
e
F
a
ul
ty
s
te
ppi
ng
m
o
to
r
S
h
or
te
d or
g
rounde
d c
o
m
p
re
ss
o
r
S
h
or
te
d or
g
rounde
d f
a
n m
o
to
r
Unit will not start
ƿ ƿ ƿ ƿ ƿ
ƿ
Compressor will not start but fans run
ƿ
ƿ
ƿ ƿ
ƿ
Compressor and condenser (outdoor) fan will not start
ƿ
ƿ
ƿ
Evaporator (indoor) fan will not start
ƿ
ƿ
ƿ
ƿ
Condenser (Outdoor) fan will not start
ƿ
ƿ
ƿ
ƿ
ƿ
Unit runs, but shortly stops
ƿ
ƿ
Compressor short-cycles due to overload
ƿ
ƿ
High discharge pressure
Low discharge pressure
High suction pressure
Low suction pressure
Unit runs continuously but insufficient cooling
Too cool
ƿ ƿ
Compressor is noisy
Horizontal louver can not revolve
ƿ ƿ
ƿ
Test method / remedy
Te
st
v
o
lt
a
g
e
In
sp
e
c
t f
u
se
ty
p
e
&
s
iz
e
In
sp
e
c
t c
o
nne
c
ti
o
ns
-
t
ig
h
te
n
Te
st
c
ir
c
u
its
wi
th
te
st
e
r
T
e
st
c
o
n
ti
n
u
it
y
o
f sa
fe
ty
d
e
v
ic
e
T
e
st
c
o
n
ti
n
u
it
y
o
f t
h
e
rm
o
st
a
t / se
n
so
r &
w
ir
in
g
Pl
ac
e
t
h
e t
e
m
p
er
a
tu
re s
e
n
so
r a
t t
h
e c
e
n
tr
a
l o
f t
h
e a
ir
in
let
g
rille
C
h
e
c
k
c
o
n
tr
o
l c
ir
c
u
it wi
th
te
st
e
r
C
h
e
c
k
c
a
p
a
c
ito
r wi
th
te
st
e
r
T
e
st
c
o
n
tin
u
it
y
o
f c
o
il &
c
o
n
ta
c
ts
T
e
st
c
o
n
tin
u
it
y
o
f c
o
il &
c
o
n
ta
c
ts
Te
st
v
o
lt
a
g
e
R
e
pl
a
c
e
t
h
e
s
te
ppi
ng
m
o
to
r
C
h
e
c
k
r
e
si
st
a
n
c
e
w
it
h
m
u
lt
im
e
te
r
C
h
e
c
k
r
e
si
st
a
n
c
e
w
it
h
m
u
lt
im
e
te
r
Electrical Circuit
Service manual
H11 series
Summary of Contents for MUPR-09-H11-E
Page 1: ...Service manual MUPR H11 www mundoclima com CL20055 CL20058 R32...
Page 16: ...Service manual H11 series MUPR 24 H11 I Specifications 7f e...
Page 18: ...Service manual H11 series MUPR 24 H11 E Specifications 9 f e...
Page 59: ...e Outdoor Unit Disassembly 4 f 2 Panel Plate X301 Service manual H11 series MUPR 18 H11 E...
Page 60: ...e Outdoor Unit Disassembly 5 f 3 Panel Plate X401 Service manual H11 series MUPR 24 H11 E...
Page 117: ...Service manual H11 series e f Troubleshooting 25...