Kenmore 70089 User Manual download pdf (Page 26)

Troubleshooting

The following table describes some common problems that may be encountered with a room air conditioner. Each

problem is accompanied by several possible causes and solutions.

Problem

Possible Cause

Solution

Unit will not turn on.

• Power cord unplugged.

• Ensure power cord is firmly plugged

into outlet.

• Blown fuse or tripped breaker.

■ Replace blown fuse; reset tripped

breaker.

• Electrical power low (“brown out").

• Low voltage protection prevents

operation if supply voltage drops

below 90 VAC for 115 volt units;

171 VAC for 230 volt units. Contact

local electric utility if voltage is tow.

• Electrical power outage.

• Contact local electric utility.

• Compressor in 3-minute lock-out.

• Wait 3 minutes for compressor start.

Unit repeatedly blows

• Other devices sharing circuit results in

• Disconnect other devices or move

fuse or trips breaker.

circuit overload.

devices to different circuit.

NOTE: Air conditioners labeled “Use

on Single Outlet Circuit Only” require

separate, dedicated, circuit.

• Incorrect fuse size or type.

• Ensure fuse is correct size. Unit

requires time-delay fuses.

• Incorrect circuit breaker size.

• Ensure circuit breaker is correct size.

• Extension cord used to provide power.

• Do not use an extension cord with

this air conditioner. If power cord on

air conditioner does not reach outlet,

have qualified electrician move out

let or install new outlet closer to unit.

Unit does not

• Dirty air fiiter.

• Remove and clean air filter.

adequately cool room

NOTE: Do not operate air conditioner

or area.

with filter removed.

• Optional charcoal air filter (if used) clogged.

• Replace charcoal filter (if desired).

NOTE: Optional charcoal filter can

not be cleaned. Fitter must be

replaced after three months use.

• Room or area not sealed.

• Close all doors and windows in

cooling area. Close all air vents and

•

ducts in area.

• Vent Control in EXHAUST position.

• Vent Control should be in CLOSED

position whenever air conditioner is

in cooling mode.

• Airflow to or from unit blocked.

• Remove any obstruction to airflow

from air discharge vent or return air

vent on unit.

• Unit improperly sized for room or area.

• Reduce cooling area (close doors or

othenvise isolate area).

NOTE: See Sizing Instructions

for information on correctly sizing

room air conditioners.

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Kenmore 70089 User Manual Page 26

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