Troubleshooting Guide

Problem

Possible Cause

 

Remedy

Failure to

1. No electrical power

1.

Check power

start or no air

 

to unit

 

 

delivery/ No

•Fuse blown

• Replace fuse

LCD display

•Circuit breaker tripped

Re-set breaker

 

2.

Motor overheated

2.

Determine cause

 

•Belt too tight

• Adjust belt tension

 

•Blower bearings dry

• Oil blower bearings

 

•Motor pulley diameter

• Adjust pulley to correct

 

 

too large

 

diameter

 

3.

Motor locked

3.

Replace motor

 

4.

Fuse blown in unit

4.

Replace Fuse

 

 

control box

 

 

 

5.

Incorrect wiring be-

5.

Check that wiring is correct

 

 

tween wall thermostat

 

and secured to terminals

 

 

and cooler

 

 

 

6.

Poor connection to

6.

Check connections to termi-

 

 

Fan motor terminals

 

nal

 

7.

Unit control board or

7.

Supply power to control box

 

 

wall thermostat faulty

 

and check DC voltage at

 

 

 

 

wall thermostat

 

 

 

• If voltage between Black

 

 

 

 

& Red terminals is close to

 

 

 

 

3.5VDC and LCD is blank

 

 

 

 

- wall thermostat is faulty

 

 

 

• If voltage is much less than

 

 

 

 

3.5VDC, remove red wire

 

 

 

 

from terminal. If voltage

 

 

 

 

rises to 3.5VDC - thermostat

 

 

 

 

is faulty. If voltage remains

 

 

 

 

low - unit control board is

 

 

 

 

faulty.

 

 

 

 

Inadequate

1. Insufficient air exhaust

1.

Open windows or doors to

air delivery

 

 

 

increase air flow

with cooler

2. Belt too loose

2. Adjust belt tension or

running

 

 

 

replace if needed

 

3.

Pads plugged

3.

Clean pads

 

4.

Motor underloaded

4. Adjust pulley

Problem

Possible Cause

 

Remedy

Water drain-

1.

Float arm not adjusted

1. Adjust float

ing onto roof

 

properly

 

 

 

2.

Overflow assembly

2. Tighten nut and overflow

 

 

leaking

 

pipe

 

 

 

 

 

Musty or

1.

Stale or stagnate water

1.

Drain pan and clean pads

unpleasant

 

in cooler

 

 

odor

 

 

 

 

 

 

 

 

 

Motor cycles

1.

Low voltage

1.

Check voltage

on and off

2.

Excessive belt tension

2. Adjust belt tension

 

3.

Blower shaft tight or

3.

Oil or replace bearings

 

 

locked

 

(Unplug unit)

 

4.

Bearings dry

4.

Oil bearings

 

5.

Motor pulley diameter

5. Adjust pulley so full load

 

 

too large causing motor

 

ampere rating of motor is

 

 

overload

 

not exceeded

 

 

 

 

 

Noisy

1.

Bearings dry

1.

Oil bearings

 

2. Wheel rubbing blower

2.

Inspect and realign (Un-

 

 

housing

 

plug unit)

 

3.

Loose parts

3. Tighten loose parts

 

 

 

 

 

Inadequate

1.

Inadequate exhaust in

1.

Open windows or doors to

cooling

 

house

 

increase air flow

 

2.

Pads not wet

2.

Check water distribution

 

 

 

 

system

 

•Pads plugged

• Clean pads

 

•Dist. tube holes clogged

• Clean

 

•Pump not working prop-

• Replace or clean pump

 

 

erly

 

(Unplug unit)

 

3.

Poor connection to Pump

3.

Check connections

 

 

terminals on Control

 

 

 

 

Board

 

 

 

 

 

 

 

Excessive

1.

Insufficient air exhaust

1.

Open doors or windows

humidity in

 

 

 

 

house

 

 

 

 

Register your product online at www.championcooler.com/eac/onlineregistration-eac.htm

Limited Warranty

This warranty is extended to the original purchaser of an evaporative cooler installed and used under normal conditions. It does not cover damages in- curred through accident, neglect, or abuse by the owner. We do not authorize any person or representative to assume for us any other or different liability in connection with this product.

Terms And Conditions Of Warranty

Lifetime Limited Coverage on water reservoir against any leakage due to defects in material. From date of purchase, if any original component part provided by Champion Cooler fails due to defect in material or factory workmanship only, we will provide the replacement part as follows:

One year on the cabinet components.

Five years on the evaporative media.

Two years on the original blower motor if furnished by Champion Cooler.

Exclusions From The Warranty

We are not responsible for any incidental or consequential damage resulting from any malfunction.

We are not responsible for any damage received from the use of water softeners, chemicals, descale material, plastic wrap, or if a motor of a higher horsepower than what is shown on the serial plate is used in the unit.

We are not responsible for the cost of service calls to diagnose cause of trouble, or labor charge to repair and/or replace parts.

How To Obtain Service Under This Warranty

Contact the Dealer where you purchased the evaporative cooler. If for any reason you are not satisfied with the response from the dealer, contact the Customer Service Department: Champion Cooler, 5800 Murray Street, Little Rock, Arkansas 72209. 1-800-643-8341. E-mail: info@championcooler.com.

This limited warranty applies to original purchaser only.

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Essick Air AD2C7112, AS2C71, AS1C5112, AS1C7112 Troubleshooting Guide, Limited Warranty, Problem Possible Cause Remedy