Troubleshooting - UltraCOOL M201A Owner's Manual

Problem Possible Cause
Failure to 1. No electrical power to
start or no air unit
delivery • Fuse blown
• Circuit breaker
tripped
• Electric cord un-
plugged or damaged
2. Belt too loose or tight
3. Motor overheated
• Belt too tight
• Blower bearings dry
4. Motor locked
Inadequate 1. Insuffi cient air exhaust
air delivery
with cooler
running 2. Belt too loose
3. Pads plugged
Inadequate 1. Inadequate exhaust in
cooling house
2. Pads not wet
• Pads plugged
• Open spots in pads
• Trough holes
clogged
• Pump not working
properly
Model
Modelo
M201A
M301A / RM301A
M401A / RM401A
4

Troubleshooting

Remedy
1. Check power
• Replace fuse
• Reset breaker
• Plug in cords or
replace if damaged
2. Adjust belt tension
3. Determine cause of
overheating
• Adjust belt tension
• Oil blower bearings
4. Replace motor
1. Open windows or
doors to increase air
fl ow
2. Adjust belt tension or
replace if needed
3. Replace pads
1. Open windows or
doors to increase air
fl ow
2. Check water distribu-
tion system
• Replace pads
• Repack pads
• Clean trough and
unplug holes
• Replace or clean
pump
Specifi cations / Especifi caciones
Volts Amperage
Voltios Ameraje Velocidad
115 4.7
115 7.9
115 10.5
Problem
Motor cycles
on and off
Noisy
Excessive
humidity in
house
Musty or
unpleasant
odor
Water drain-
ing from
cooler
Speed Water Capacity (gal)
Capacidad de Agua (galón)
2 4.8
2 9.2
2 11.3
Possible Cause Remedy
1. Low voltage 1. Check voltage
2. Excessive belt tension 2. Adjust belt tension
3. Blower shaft tight or 3. Oil or replace bear-
locked
4. Bearings dry 4. Oil bearings
1. Bearings dry 1. Oil bearings
2. Wheel rubbing blower 2. Inspect and realign
housing
3. Loose parts 3. Tighten loose parts
1. Inadequate exhaust 1. Open doors or win-
1. Stale or stagnate water 1. Drain pan and clean
in cooler
2. Pads mildewed or 2. Replace pads
clogged
3. Pads not wetting 3. Check water distribu-
properly
• Trough holes
clogged
• Pump not working
properly
1. Float arm not adjusted 1. Adjust fl oat
properly
2. Drain assembly leak- 2. Tighten nut and drain
ing
Weight (lbs.)
Peso (libras)
Dry
Seco
62
107
169
ings
dows
pads
tion system
• Clean
• Replace or clean
pump
cap.
Operating
Lleno
102
184
263
110522-1