email: [email protected], Website: www.impcollc.com
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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
POSSIBLE CAUSES
REMEDY
Unit fails to start or deliver air
1. No electrical power to unit
1. Check power
A. Fuse blown
A. Replace fuse*
B. Circuit breaker tripped
B. Reset breaker*
C. GFCI tripped
C. Reset GFCI*
D. Cord(s) unplugged or damaged
D. Plug in cord(s) or replace if damaged
*
If condition persists, call an electrician
2. Motor overheated (thermally protected)
2. Try to restart after cool down
3. Motor frozen
3. Replace motor
4. Motor able to free spin
4. Replace capacitor
Unit starts but air delivery is inadequate
1. Insufficient air exhaust
1. Open windows or doors
2. Insufficient water – pad not wet
2. Check water distribution system
A. Cooling pads clogged
A. Clean or replace pads
B. Dry streaks on pads
B. Check water level
C. Large dry spots on pads
C. Make sure cooler is level
D. Pump not working
D. Clean or replace pump
E. Loose water connections
E. Check for leaks and correct
Water draining from cooler
1. Float arm improperly adjusted
1. Adjust float to proper level
2. Seat in float valve leaking
2. Replace float valve
3. Drain bushing not tight
3. Tighten fitting
Musty or unpleasant odor
1. Stale or stagnant water in sump
1. Drain, flush and clean sump
2. Pads mildewed or clogged
2. Replace pads
3. Pads not completely wet before
3. Turn on pump before starting fan
cooler is turned on
Knocking, shaking or rattling sounds
1. Loose parts
1. Check and tighten where needed
2. Blower wheel loose or rubbing
2. Inspect and adjust, or replace
Water droplets in the discharged air stream
1. Too much water delivered to the
1. Make sure pads are properly positioned
cooling pads
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. Outdoor humidity level is too high
2. Use cooler as a fan only (turn pump off)
or it is raining
or discontinue use of cooler until outdoor
humidity level drops.
TROUBLESHOOTING
NOTE
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.
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