TROUBLESHOOTING GUIDE
Unit has ice forming on the evaporator |
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Possible Cause | Solution |
Evaporator filter and/or coil are dirty. | Clean filter and coil with a vacuum. |
| If coil is very dirty, use a small hand spray with a small amount |
| of liquid dish washer detergent. Spray coil, let set for 5 min, then |
| flush with fresh water. |
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There 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 |
The temperature of the room, the unit is exhausting to, | Raise the temperature of the exhaust room |
has dropped below 50° |
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The unit has not went through its defrost sequence, 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. |
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If unit continues to ice. | Observe ice formation pattern. If only part way up the coil face, |
| unit could be low on refrigerant. If so, call Customer Service at |
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Unit does not run/power up |
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Possible Cause | Solution |
Unit is not plugged in | Make sure the unit is plugged into an outlet |
Power switch not on | Turn unit on by pressing the power button on the control |
No power to outlet | Reset circuit breaker on unit by pushing reset button located on |
| right side of unit above the plug outlet |
Line voltage is incorrect rating for unit | Check line voltage to make sure there is 110v/120v |
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Room at set point | Lower set point |
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Thermostat not calling for cooling | Lower set point |
Faulty thermostat or writing | Call Customer Service at |
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Cellar Temperature is to Warm |
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Possible Cause | Solution |
The temperature or the room unit is exhausting to has | Intake temperature needs to drop below 110°. |
exceeded 110° |
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The unit is undersized for the room. | Order correct size unit |
There is something blocking the supply and/or return air, | Remove air flow obstruction |
on evaporator or condenser side of the unit |
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Unit is mounted too low in the cellar | |
| unit is no more than 18” |
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One or more of the fans is not turning on. | Call Customer Service at |
Compressor is not turning on. | Call Customer Service at |
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Compressor keeps cycling on overload | Make sure all fans are working and there are no airflow obstruction. |
Poor seal around door. | Make sure there are no air gaps around the door. If door seal is |
| damaged, replace it. |
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Controller set too high | Lower the set point. |
Evaporator coil is frosted or iced up | Observe ice formation pattern. If only part way up the coil face, |
| unit could be low on refrigerant. If so, call Customer Service at |
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