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Unit has ice forming on the evaporator
Possible Cause
Evaporator lter and/or coil are dirty.
There is something blocking the supply and or return air
One or both evaporator fans are not turning on.
The temperature of the room, the unit is exhausting to,
has dropped below 50°
The unit has not went through its defrost sequence, yet.
If unit continues to ice.
Unit does not run/power up
Possible Cause
Unit is not plugged in
Power switch not on
No power to outlet
Line voltage is incorrect rating for unit
Room at set point
Thermostat not calling for cooling
Faulty thermostat or writing
Cellar Temperature is to Too Cold
Possible Cause
The temperature or the room unit is exhausting to has
exceeded 85°
The unit is undersized for the room.
There is something blocking the supply and/or return air,
on evaporator or condenser side of the unit
Unit is mounted too low in the cellar
One or more of the fans is not turning on.
Compressor is not turning on.
Compressor keeps cycling on overload
Poor seal around door.
Controller set too high
Unit leaks water
Possible Cause
Unit is not level
Drain line clogged or kinked
Drain is clogged preventing water form escaping
Drain line does not have a downward slope
Solution
Clean lter and coil with a vacuum.
Remove blockage
Call a service tech to troubleshoot
Raise the temperature of the exhaust room
Wait 10 minutes to see if ice disappears
Call Customer Service at 800-343-9463
Solution
Make sure the unit is plugged into an outlet
Turn unit on by pressing the power button on the control
Reset circuit breaker on unit by pushing reset button located on
right side of unit above the plug outlet
Check line voltage to make sure there is 110v/120v
Lower set point
Lower set point
Call Customer Service at 800-343-9463
Solution
Lower the temperature of the exhaust room.
Order correct size unit
Remove air ow obstruction
Re-Locate unit so the distance from the ceiling and top of the
unit is no more than 18”
Call Customer Service at 800-343-9463
Call Customer Service at 800-343-9463
Make sure all fans are working and there are no airow
obstruction.
Make sure there are no air gaps around the door. If door seal is
damaged, replace it.
Lower the set point.
Solution
Unit should be level in wall to prevent leaking
Check drain line to make sure water can ow freely.
Clear Drain
Fix Drain line so there is a downward slope from the
unit to the drain.
TROUBLESHOOTING GUIDE