Troubleshooting guide – Vintage Cellars SC Series WhisperKOOL User Manual
Page 24

SC
033114
Page 22 | 1-800-343-9463
TROUBLESHOOTING GUIDE
Unit has ice forming on the evaporator
Possible Cause
Evaporator coil is dirty
Something is blocking the supply and/or return air
Evaporator fan is not turning on
Unit has not gone through its Anti-Frost sequence
Unit continues to ice
Unit does not run/power up
Possible Cause
Unit is not plugged in
Power switch not on
Line voltage is incorrect rating for unit
Bottle at set point
Thermostat not calling for cooling
Power select switch in wrong position
Faulty thermostat or wiring
Cellar Temperature is to Warm
Possible Cause
Temperature of the room unit is exhausting to has
exceeded 85°F
Unit is undersized for the cellar
Something is 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
Evaporator coil is frosted or iced up
Solution
Clean coil with a vacuum
If coil is very dirty, use a spray bottle with a small amount of liquid
dish washing detergent. Spray coil, let set for 5 min, then flush
with fresh water
Remove blockage
Call a service tech to troubleshoot
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
Observe ice formation pattern. If only part way up the coil face,
unit could be low on refrigerant. If all the way up, the coil may be
dirty or airflow is blocked
Solution
Make sure the unit is plugged into an outlet
Turn unit on by pressing the power button on the control
Check line voltage to make sure there is 110 V/120 V
Lower set point
Lower set point
See page 10 for correct switch position
Call Customer Service at 1-800-343-9463
Solution
Intake temperature needs to drop below 85°F
Order correct size unit
Remove air flow obstruction
Re-locate unit so the distance from the ceiling and top of the
unit is no more than 18”
Call Customer Service at 1-800-343-9463
Call Customer Service at 1-800-343-9463
Make sure all fans are working and there is no airflow obstruction
Make sure there are no air gaps around the door. If door seal is
damaged, replace it
Lower the set point
Observe ice formation pattern. If only part way up the coil face,
unit could be low on refrigerant. If so, call Customer Service at
1-800-343-9463