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920-005-10 (3-04)
Troubleshooting tips
Won’t cool?
If your air conditioner operates, but won’t cool; check to see
if the controls are properly set. Check the fi lter and clean
thoroughly if needed.
Won’t run?
Make sure the power cord is plugged in all the way. Check
for a bad fuse or a tripped breaker. This guide shows the
proper fuse size on page 3.
This is a warm weather appliance
Your air conditioner is designed to cool in warm weather
when the outside temperature is above 60°F (16°C) and
below 115°F (46°C), so it won’t cool a room if it is already
cool outside. If you want to cool a room in the winter, set
the unit to Fan Only and set the Fresh Air/Exhaust control
to Fresh Air. This will bring in a supply of outside air.
Condensation is normal
Air conditioners actually pump heat and humidity from your
room to the outside air. Hu mid i ty be comes water, and your
air conditioner will use most of the water to keep the outside
coil cool. If there is excessive humidity, there may be excess
water that will drip outside. This is normal op er a tion.
Frosting
This usually occurs because of insuffi cient airfl ow across
the coils, a dirty fi lter, cool, damp weath er, or all of these.
Set unit to Fan Only and the frost will disappear. Setting
the ther mo stat a little warmer will probably prevent the
frosting from recurring.
Noises
All air conditioners make some noise. Friedrich
QuietMasters
®
operate as quietly as possible. An air
con di tion er mount ed in a wall is quieter than one mounted
in a window. If mounted in a window, the window mount kit
provided with QuietMaster
®
models will reduce operating
sound levels, when prop er ly installed.
Cleaning your air conditioner
The decorative front and the cabinet can be cleaned with
warm water and a mild detergent. The indoor coil can be
vacuumed with a dusting attachment if it appears to be dirty.
The outdoor coil can be gently sprayed with a hose if you
can get to it. If not, you might call your dealer for a more
thorough cleaning when needed.