Wine Guardian Through-the-Wall Wine Cellar Cooling Systems 50Hz (WG25) - Manual - Manual (Page 40)

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Problems Controlling Cellar Humidity
Humidity too low or supply air is too cold,
without optional Standalone humidifier
Possible Cause
Solution
Not enough evaporator airflow
Defective or incorrect expansion device or coils
Remove blockage in supply or return ductwork
Check and clean coil
Coil frozen – shut off system for two hours
Call factory for service
Humidity too low, without optional humidifier
Possible Cause
Solution
No moisture being added to cellar Add Wine Guardian humidifier or room
humidifier
Humidity too low with optional humidifier
–
read humidifier troubleshooting
Possible Cause
Solution
Humidifier not operating
Humidifier operating Check wiring for loose, broke or frayed
connections
Check humidistat set up
Check for water flow & solenoid valve operation
Check for water being hot
Check drop pad – replace if scaled
No vapor barrier installed around cellar
Humidity too high when unit is running, but
not cooling
Possible Cause Solution
Compressor not operating
Ambient temperature is too high
Check and reset high limit switch
Clear blockage of condenser airflow
Reduce temperature or draw condenser air from
another space