Troubleshooting - MasterCool MMB10 Manual De Operación

5

TROUBLESHOOTING

The following troubleshooting guide is intended to address the most common symptoms and is by no means exhaustive. If
symptoms persist, call a qualified service provider. Only a certified electrician should complete electrical work.Turn off all power
to the cooler before attempting to troubleshoot any of the following symptoms.
SYMPTOM
Unit fails to start or deliver air
Unit starts but air delivery is inadequate
Water draining from cooler
Musty or unpleasant odor
Knocking, shaking or rattling sounds
Water droplets in the discharged air stream
Do not use cooler cleaners, cooler treatments, or other additives in this evaporative cooler. The use
!
of any of these products will void your warranty and may impair the life of your evaporative cooler.
1450 E. Grant Street, Phoenix, Arizona U.S.A.
www.AdobeAir.com 602-257-0060
All manuals and user guides at all-guides.com
POSSIBLE CAUSES
1. No electrical power to unit
A. Fuse blown
B. Circuit breaker tripped
C. GFCI tripped
D. Cord(s) unplugged or damaged
2. Motor overheated (thermally protected)
3. Motor frozen
4. Motor able to free spin
1. Insufficient air exhaust
2. Insufficient water – pad not wet
A. Cooling pads plugged
B. Dry streaks on pads
C. Large dry spots on pads
D. Pump not working
E. Loose water connections
1. Float arm improperly adjusted
2. Seat in float valve leaking
3. Drain bushing not tight
1. Stale or stagnant water in sump
2. Pads mildewed or clogged
3. Pads not completely wet before
cooler is turned on
1. Loose parts
2. Blower wheel loose or rubbing
1. Too much water delivered to the
cooling pads
2. Outdoor humidity level is too high
or it is raining
NOTE
AP059719 2/2008
REMEDY
1. Check power
A. Replace fuse*
B. Reset breaker*
C. Reset GFCI*
D. Plug in cord(s) or replace if damaged
* If condition persists, call an electrician
2. Try to restart after cool down
3. Replace motor
4. Replace capacitor
1. Open windows or doors
2. Check water distribution system
A. Clean or replace pads
B. Check water level
C. Make sure cooler is level
D. Clean or replace pump
E. Check for leaks and correct
1. Adjust float to proper level
2. Replace float valve
3. Tighten fitting
1. Drain, flush and clean sump
2. Replace pads
3. Turn on pump before starting fan
1. Check and tighten where needed
2. Inspect and adjust, or replace
1. Make sure pads are properly positioned
in the pad frames and that the unit is level.
If necessary, reduce the flow of water to
the pads by tightening the screw on the
hose restrictor clamp found on the pump
discharge hose.
2. Use cooler as a fan only (turn pump off)
or discontinue use of cooler until outdoor
humidity level drops.
Av. Carr. Miguel Alemán #6061, Col. América, Cd. Guadalupe, Nuevo León, México, C.P. 67130
www.Impco.com.mx (81)-8144-5440