Problems Controlling Cellar Humidity; Humidity Too Low Or Supply Air Is Too Cold, Without Optional Humidifier; Humidity Too Low, Without Optional Humidifier; Humidity Too Low With Optional Humidifier - Wine Guardian D088V Installation, Operation And Maintenance Manual

Problems Controlling Cellar Humidity

Humidity too low or supply air is too cold, without optional humidifier

Possible Cause
Not enough evaporator airflow
Defective thermal expansion valve
Temperature set too cold

Humidity too low, without optional humidifier

Possible Cause
No moisture being added to cellar

Humidity too low with optional humidifier

Possible Cause
Humidifier not operating
Humidifier operating

Humidity too high when unit is running but not cooling

Possible Cause
Compressor not operating
Ambient temperature is too high
Solution
Remove blockage in supply or return
ductwork
Check and clean filter and coil
Coil frozen – shut off unit for two hours
If under warranty call for service
If not under warranty call a refrigeration
technician
Raise temperature setpoint at thermostat
Solution
Add Wine Guardian humidifier or a room
humidifier
Solution
Check wiring for loose, broken or frayed
connections
Check humidistat set up
Check for water flow and solenoid valve
operation
Check for water being hot
Check drip pad – replace if scaled
No vapor barrier around cellar
Solution
Check and reset high limit switch
Clear blockage of condenser airflow
Reduce temperature or draw condenser air
from another space
Part No. 15H0127-00 63