Troubleshooting
Thefollowing troubleshooting guide is intended to address tilemost common symptoms and is by no means exhanmive. If
symptmns persist, call a qualified servicem_. Electricalwork should be completed by a certified electrician. Turn off all
power to the cooler before attempting to troubleshootany of the fulinwingsymptoms.
SYMPTOM POSSIBLE CAUSES REMEDY
Unitfailstostartordeliverair
1 NoelectricalpewerIn trait
A.Fuseblown
B.Orcuitbreakertripped
C.Cord(s)unpluggedor damaged
2. Beltimproperl)adjustedor broken
3. Motoroverheatedand/orfrozen
A.Belttootightor broken
B.Blowerwheelbearings
dry/shaftfrozen
C.Motoroverloaded
D.Faultywiringor shorts
I. Check power
A. Replace fuse*
B. Reset breaker*
• Ifcmtdition [_'rstsls tail el_:trtllan
C.Plug incord(s) or replace if
damaged
2. Adjustbelt tension
3. Replace motor
A.Adjust beh tensionor replace
B. hubricate or replace blower
bearings
C. Usingammeter, adjust motor to full
loadnameplate amps
D. Callelectrician
Unitstarts
butairdeliveryinadequate
1. Lackof sufficientair exhaust
2. Motoruuderloaded
(ductedunitsonly)
3. Belttooloose
1.Openwindowsor doors toincrease
ventilation
2. Usingammeter,adjustmotortofull
loadnameplateamps
3.Adjustbelttensionor replaceif
needed
Inadequatecooling
1. Inadequateexhaustin house
2. Airregistersimproperlypositioned
3. Insufficientwater / pad not wet
A. Pads plugged
B. Dryor open spots on pads
C. Trough holes clogged
D. Pump not working
1.Openwindowsor doors toincrease
ventilation
2.Adjustto directair asdesiredor
insta!llowerrestrictionregisters
3.Checkwaterdistributionsystem
A.Replacepads
B. Repackpads
B.Cleantroughsandunplugholes
D.Unplugpomp.Cleanimpeller
housingofforeignmatterand
reinstall
E. Loose connections in water system ft. Check for leaks and correct
E Distributor clogged or corroded F.Clean or replace
Motorfailstooperate 1. Excessivebelt tension 1.Adjust belt tension
2. Blower shaft tightor frozen 2. Lubricate blower bearings
3. Motor overloaded 3. Correct - do not exceed motor
nameplate amps
4. Incorrect sheaveadjustment 4. Serviceman should correct
5. Pulleysudsaligned 5. Check and correct alignment
Waterdrainingfrom 1.Floatarmimproperlyadjusted 1, Adjustfloat
overflowmadpipe 2. Seat in floatvalve leaking 2. Replace float valve
3. Standpipe not tight 3. 'lighten standpipe
inockingorbangingsound 1. Bearings dry 1. Lubricate blower bearings or replace
if badly worn.
2. Wheel rubbingblower housing 2. Inspect blower shaft, collars, belt and
or rotating off-balance pulley alignment and motor mounting
3. Loose parts 3. Resecure or reconnect
Blowershakesorraffles 1. Belt or pulley loose 1.Inspect and adjust, or replace belt
and/or pulley as needed.
Exctfah.'thnm_ity in house 1. Inadequate exhaust 1.Open doors or windows to increase
ventilation
Mustyoru#a_utt odor I. Stale or stagnant water in reservoir I. Drain, flush and clean reservoir,
install bleed-off kit
2. Replace pads
3. Turnon water before starting unit
2. Padsmildewedor dogged
3. Padsnotcompletelywetbefore
cooleris turnedon
GettingTheMost
FromYourCooler
Yotlr evaporative cooler is a finely crafted, economically
tolerating unit htllll on decades ofkno\_ffin_x and
research. It ser_es as the heart of an ovrrall air enoltilg
alld tnuvtug 5ystelu for yOtlr Jlolne lllll Ihet'e are :t n_lulher
nf ways yml can maximizethecomfort,t'fficiellc}_ eeonom!,
and convenience of your Iota] coo]aig system
Maintenance
Regularmaintenmzeeasrecommendedhi titisinanualit,
essentialforcnolingcomfort,extendingtileIth'of}_tll
cooler,andmrnidingunnecessaryparts replaceamnt'_.
Start-up,mid-seasonand shut-do;vnseta,ictugshould
neverhe overinoked.Changepadsat leastt_icea year,or
sooner,ifmineraldepositsor dustbuild-up.
Add-OnCoolers
Coolers come in a,,vide arrayof sizes,horsepower, and
capacities suitable for patio, garage, guestroom, mid so
forth.More thanone cooler in a singlehome improves the
cooling effectivenessof theentire system. Owners of
refrigerated air conditioning have found that the addition
of an evaporativecooler rosilyreduces theirelectric bills.
insulation
Once yourcooler fozees cooled air intoyour home and
pushes the hot air out, good insulation around your
duclwork willkeep theair as cool as possible. Whole
house insulation will prevent heat from seeping in and will
improve cooling comfort.
MniB-SpeedMotor
The coolingrate can be controlled by increasing and
reducing the amount of cooled air blown into your home.
Two-speedmotors allowyou touse higher speeds during
the honest part of the day,lower speeds for milder
temperatures.
Bleed-off
Bleed-offcomponents are included _th each cooler and
should be installed as instructed in this manual.
AtticVents
Byexhausting cool air throughtheattic, you can reduce
thetemperatureof thishot spot and makeyour home
more comfortable. Itis imporiant to remember to provide
adequate exhaust in the area. Again,provide 2 square feet
of relief for every 1,0(_ CFMof air delivery.
ShadetheCooler
Shadingthecoolerkeepsdietemperatureof intakeair
lower.
ThermostatControl
Thecooler can he set to turn on and offautomaticallyat
the temperature desired.
TunerControl
Thecooler can be programmed to turn on and off
automaticallywhen desired.
ReplacementParts
When ordering replacement parts, alwaysrefer tothe
serial and model number of yourcooler. Usethe part
numbers listed in the accompanyingparts list, as
illustratedin the diagrams foryourmodel.
Evaporative Cooler Use atttl Care ara#ual 7
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