Troubleshooting – Kenmore 70089 User Manual
Page 26
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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.