Kenmore 70089 - Manual (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.