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Power failure
If youhave apower failure, theunit'sauto-restartfeature willresumeoperation
in the selected mode prior to the power failure.
Won't cool?
If your air conditioner operates, but won’t cool; check to see if the controls
are properly set. Check the filter and clean thoroughly if needed. Check to
see if the chassis seal gasket is installed (refer to Installation Instructions,
Step 8, page 8).
Won't run?
Make sure the power cord is plugged in completely. Check for a bad fuse,
tripped breaker or tripped LCDI Device. Refer to page 3 for LCDI reset
instructions and to con¿rm proper fuse size.
ForX-Starmodelsonly:
Youcanresetthecircuitboardbypressingthe“MODE”buttonandthe
“TEMPERATURE DOWN” button at the same time. The LEDs (small red
lights) for Hour, Start and Stop will begin blinking. Once this occurs, turn
the unit off by pressing the On/Off button once and then unplug the unit.
Finally, plug the unit back in and turn it on by pressing the On/Off button
once. All settings revert back to the factory default settings.
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), so it won't cool a room if it is already cool
outside. Also, it willnot provide adequate heating when the outdoor ambient
temperature falls below 37°F (3°C).
Condensation is normal
Air conditioners actually pump the heat and humidity from your room to the
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of the water tokeep the outside coil cool. If there is excessive humidity, there
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Frosting
This usually occurs because of insufficient airflow across the coils, a dirty
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will disappear. Setting the thermostat a little warmer will probably prevent
the frosting from recurring.
Noises
All air conditioners make some noise. We build them to operateas quietly as
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in a window. It is important to ensure that the chassis seal gasket is properly
installed (refer to Installation Instructions, Step 8, page 8).
Cleaning your air conditioner
The decorative front and the cabinet can be cleaned with warm water and a
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ment 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 mightcall your dealerfor a more thorough
cleaning whenneeded. Theair ¿lter shouldbe inspected weekly andcleaned
ifneededbyvacuumingwithadustattachmentorbycleaninginthesink
using warm waterand amild dishwashingdetergent. Drythe ¿lter thoroughly
before reinstalling. Use caution– the coil surface can be sharp.
Heat pumps operate differently
Ifyourunitisa"Y",orheatpumpmodel,therearesomethingsthatyouwill
want to be aware of.
Somefunctionsofaheatpumpdifferfromyourunitwhenitisusedfor
cooling:
1. It is normal for ice to form on the outdoor coil of the heat pump.
Moisture in the outside air, passing over the coil when very cold,
will form ice.
2. If the outdoor temperature drops below 37°F (-3°C), your heat
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the temperature rises to 40°F (4°C) , the compressor will resume
the heat pump operation. If your unit is a 115 volt model (YQ07), it
is designed for use in warmer climates and has no electrical heat
feature, and will not provide adequate heat below 37°F(3°C).
Troubleshooting tips
Window installation kits - heat pump models
Friedrich YQ Heat Pump models are normally installed thru-the-wall and
are packaged and sold without the expandable curtain assemblies. The
WIKQ Curtain Assembly Kitmay be purchased asan accessory for window
installations. This accessory can be ordered from your Friedrich Dealer.
When ordering a kit, state model and serial number of your unit.
Available accessories
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
WARNING