Adjust float to 2 1/2“ water depth
Free float from obstruction
Replace float assembly
Remove obstruction
Replace water pump
Locate and free obstruction
Clear debris from trough
Replace switch
Repair or replace non-functional wiring
Turn on water supply
Check power receptacle and cord
Adjust belt tension
Replace motor
Replace switch
Replace belt
Open windows to increase air flow
Adjust belt tension or replace if needed
Replace pads
Re-install pad frame or air outlet grille
Check voltage
Adjust belt tension
Oil or replace bearings
Oil bearings
Reposition wheel
Tighten set screws
Open doors and windows to increase ventilation
Float valve out of adjustment
Float movement obstructed
Float valve non-functional
Pump intake clogged
Water pump non-functional
Clogged water line
Pad trough clogged
Switch non-functional
Wiring non-functional
Water turned off to cooler
Electrical power disconnected
Belt too loose or too tight
Defective motor
Defective switch
Broken belt
Low voltage
Excessive belt tension
Blower shaft tight or locked
Bearings dry
Pad frame(s) or air outlet grille removed
Blower rubbing on housing
Motor sheave or blower set screws loose
Inadequate exhaust
Insufficient air exhaust
Belt too loose
Pads plugged
Water draining from unit
Dry pads
Motor does not start or no air delivery
Motor cycles on & off
Noisy operation
Excessive humidity in house
Inadequate air delivery
PROBLEM / SYMPTOM
POSSIBLE CAUSE
TROUBLESHOOTING GUIDE:
Should an obvious problem occur with your cooler consult the following table. If you
cannot correct the problem, or if it persists, contact qualified service personnel.
CORRECTIVE ACTION
6 Aerocool Evaporative Window Cooler - Use and Care Manual
WIRING DIAGRAM
6
A
ero
coo
l E
nfr
iad
or
Eva
por
ativ
o d
e V
ent
ana
-
Mau
nal
de
U
so
y C
uid
ado
Aju
ste
e
l f
lo
ta
do
r 2
1
/2
“ d
e p
ro
fu
nd
id
ad
d
e a
gu
a
Lib
ere
e
l f
lo
ta
do
r d
e l
a o
bs
tru
cc
ió
n
Re
mp
la
ce
e
l e
ns
am
ble
d
e f
lo
ta
do
r
Re
mu
ev
a l
a o
bs
tru
cc
ió
n
Re
mp
la
ce
la
b
om
ba
Lo
ca
lic
e y
re
mu
ev
a l
a o
bs
tru
cc
ió
n
Lim
pie
la
b
as
ura
d
e l
as
c
an
ale
ta
s
Re
mp
la
ce
e
l i
nte
rru
pto
r
Re
pa
re
o
re
mp
la
ce
a
la
mb
re
s n
o f
un
cio
na
Ab
rir
e
l s
um
in
is
tro
d
e a
gu
a
Re
vis
ar
el
re
ce
ptá
cu
lo
d
e c
orr
ie
nte
y
e
l c
ord
ón
Aju
ste
la
te
ns
ió
n
Re
mp
la
ce
e
l m
oto
r
Re
mp
la
ce
e
l i
nte
rru
pto
r
Re
mp
la
ce
b
an
da
Ab
ra
v
en
ta
na
s p
ara
a
um
en
ta
r e
l f
lu
jo
Aju
ste
la
te
ns
ió
n o
re
mp
la
ce
la
Re
mp
la
ce
fi
ltr
os
Re
vis
e e
l
vo
lta
je
Aju
ste
la
te
ns
ió
n
Lu
bri
qu
e o
re
mp
la
ce
la
s c
hu
ma
ce
ra
s
Lu
bri
qu
e c
on
a
ce
ite
la
s c
hu
ma
ce
ra
s
Re
in
sta
le
e
l f
ilt
ro
(s
) o
re
jill
a
Alin
ea
r l
a t
urb
in
a
Ap
rie
te
to
rn
illo
s o
pre
so
re
s
Ab
ra
v
en
ta
na
s p
ara
a
um
en
ta
r l
a v
en
tila
ció
n
Vá
lv
ula
d
e f
lo
ta
do
r f
ue
ra
d
e a
ju
ste
Mo
vim
ie
nto
d
el
flo
ta
do
r o
bs
tru
id
o
Vá
lv
ula
n
o f
un
cio
na
En
tra
da
d
e a
gu
a d
e l
a b
om
ba
ta
pa
da
Bo
mb
a n
o f
un
cio
na
Lin
ea
d
e a
gu
a t
ap
ad
a
Ca
na
le
ta
d
e f
ilt
ro
ta
pa
da
In
te
rru
pto
r n
o f
un
cio
na
Ala
mb
ra
do
n
o f
un
cio
na
Ag
ua
h
ac
ia
e
l e
nfr
ia
do
r c
err
ad
a
Co
rri
en
te
e
lé
ctr
ic
a d
es
co
ne
cta
da
Ba
nd
a m
uy
fl
oja
o
a
pre
ta
da
Mo
to
r n
o f
un
cio
na
In
te
rru
pto
r n
o f
un
cio
na
Ba
nd
a r
ota
Ba
ja
v
olt
aje
Ba
nd
a d
em
as
ia
do
a
pre
ta
da
Eje
d
e s
op
la
do
r c
on
ge
la
do
Ch
um
ac
era
s s
ec
as
Filt
ro
(s
) o
re
jill
a d
el
air
e r
em
ov
id
os
La
tu
rb
in
a r
os
a c
on
la
c
aja
d
el
so
pla
do
r
T or
nill
os
o
pre
so
re
s d
e l
a t
urb
in
a o
p
ole
a
mo
tri
z m
uy
fl
ojo
s
In
ad
ec
ua
do
e
sc
ap
e d
e a
ire
In
su
fic
ie
nte
e
sc
ap
e d
e a
ire
Ba
nd
a m
uy
fl
oja
Filt
ro
s t
ap
ad
os
De
rra
me
d
e a
gu
a e
n l
a u
nid
ad
Fil
tro
s S
ec
os
No
c
om
ie
nz
a o
n
o h
ay
e
ntr
eg
a d
e a
ire
El
mo
to
r s
e p
re
nd
e y
s
e a
pa
ga
Op
era
ció
n r
uid
os
a
Hu
me
da
d e
xc
es
iv
a d
en
tro
d
e l
a c
as
a
En
tre
ga
d
e a
ire
in
ad
ec
ua
do
PR
OB
LE
MA
/
SÍN
TO
MA
:
CA
US
A P
RO
BA
BL
E:
TR
AZ
AN
DO
F
AL
LA
S :
Si
un
p
ro
ble
ma
o
bv
io
o
cu
rre
e
n s
u e
nfr
ia
do
r,
co
ns
ult
e l
a s
ig
uie
nte
ta
bla
. S
i n
o
pu
ed
e c
orr
eg
ir
el p
ro
ble
ma
, c
on
ta
cte
a
u
n r
ep
re
se
nta
nte
c
om
pe
te
nte
d
e s
erv
ic
io
.
AC
CIÓ
N C
OR
RE
CT
IV
A:
DIA
GR
AM
A d
e A
LA
MB
RA
DO
