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TROUBLESHOOTING GUIDE
Unit has ice forming on the evaporator
Possible cause Solution
Evaporator lter and/or coil are dirty. Clean lter and coil with a vacuum. If coil is very dirty, use a spray bottle with
a small amount of liquid dish detergent. Spray coil, let set for ve minutes, and
then ush with fresh water.
ere is something blocking the supply and or return air Remove blockage
One or both evaporator fans are not turning on Call a service tech to troubleshoot
e temperature of the room to which the unit is exhausting has
dropped below 50°
Raise the temperature of the exhaust room
e unit has not undergone an Anti-Frost Cycle yet Check for ice in the depth of the coil. Melt with blow drier until coil is warm to
the touch. Soak up water with a towel.
Unit continues to ice O
bserve ice formation pattern. If only part way up the coil face, unit could be low
on refrigerant. If so, call Technical Support at
1-800-648-6058.
Unit does not run/power up
Possible cause Solution
Unit is not plugged in Make sure the unit is plugged into an outlet
No power to outlet Contact an electrician
Line voltage is incorrect rating for unit Check line voltage to make sure there is 110-120V
Room at set point Lower set point
ermostat not calling for cooling Lower set point
Faulty thermostat or wiring Call Technical Support at 1-800-648-6058
Cellar temperature is too warm
Possible cause Solution
e temperature of the room unit is exhausting to has exceeded
85°
Lower the temperature of the exhaust room
e unit is undersized for the room Order correctly sized unit
ere is something blocking the supply and/or return air on
evaporator or condenser side of the unit
Remove airow obstruction
Unit is mounted too low in the cellar Relocate unit so the distance from the ceiling and top of the
unit is no more than 18"
One or more of the fans is not turning on Call Technical Support at 1-800-648-6058
Compressor is not turning on Call Technical Support at 1-800-648-6058
Compressor keeps cycling on overload Make sure all fans are working and there are no airow obstructions
Poor seal around door Make sure there are no air gaps around the door. If door seal is
damaged, replace it.
Controller set too high Lower the set point
Evaporator coil is frosted or iced up O
bserve ice formation pattern. If only part way up the coil face, unit could be low
on refrigerant. If so, call Technical Support at
1-800-648-6058.
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