Troubleshooting guide – Vintage Cellars Mini Ceiling Mount User Manual
Page 42

Page 40 | 1-800-343-9463
MCM
082814
TROUBLESHOOTING GUIDE
Unit has ice forming on the evaporator
Possible Cause
There is something blocking the supply and or return air.
The evaporator fan is not turning on.
The evaporator unit has not gone through its anti-frost
sequence yet.
If evaporator unit continues to ice.
Unit does not run/power up
Possible Cause
Evaporator unit is not plugged in.
Power switch not on.
Line voltage is incorrect rating for the system.
Bottle at set point.
Thermostat not calling for cooling.
Faulty thermostat or wiring.
Cellar temperature is to warm
Possible Cause
The temperature of the room condensing unit is exhausting
and has exceeded 110
°
F
The system is undersized for the cellar.
There is something blocking the supply and/or return air
on evaporator or condenser side of the unit.
Compressor is not turning on.
Compressor keeps cycling on overload.
Poor seal around door or other areas requiring a seal
(around the unit, wall joints, etc.).
Controller set too high.
Evaporator coil is frosted or iced up.
System runs constantly
Possible Cause
Leaky door seal or poorly insulated cellar.
Solution
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,
the system 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 110v/120v.
Lower set point.
Lower set point.
Call Customer Service at 1-800-343-9463
Solution
Intake temperature needs to drop below 85°.
Order correct size system.
Remove air flow obstruction.
Please contact the installing technician to troubleshoot.
Make sure condenser fan is working and 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,
evaporator unit could be low on refrigerant. If so, contact your
installing technician to assist with troubleshooting.
Solution
Fix leaky door seal and insulate cellar in accordance with this
manual. (Page 9)