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high or not
cooling and
running
continually
b. Cellar too large
c. Cellar ambient temperature too
high
d. Malfunctioning
fans
e. Evaporator
airflow
f. Improper
condenser
cooling
g. Iced
evaporator
h. Refrigeration
system
restriction
i. Refrigerant
leak
j.
Undercharge or overcharge
k. Failed
components
b. Check for excessive size
c. Check installation location
d. Check for evaporator fan
e. Check for air restrictions, air short-
circulation, grille directions
f.
Check water flow
g. Defrost and reset temperature
h. Call
service
i.
Call service
j.
Call service
k. Check compressor windings, start
relay and overload protector
7. Unit running
too long
a. Improper cellar insulation & seal
b. Cellar too large
c.
Cellar ambient temperature
higher > 90
°
F
d. Improper condenser cooling
a. Check insulation, gasket and door
opening
b. Check for excessive size
c. Check for installation location
d. Check water flow
8.Temperature
high,
compressor
stopping
and starting
but very
short
running time
a. Failed
components
b. Improper
condenser
cooling
c. Overcharge of refrigerant
d. Discharge or suction pressure
too high
a. Check compressor windings, start
relay and overload protector.
b. Check water flow
c. Call service for removing refrigerant
d. Call service for information
9.Evaporator
fan running
too long
a.
Post-compressor fan running
mode for humidity modulation
a. Reset FON
10.Evaporator
freezing up
a. Evaporator air flow restriction
b. Improper condenser cooling
c. Not stopping due to air leak, high
ambient temperature or low
temperature setting
d. Defective controller or probe
e. Low ambient temperature
f. Initially working then freezing,
moisture in the system
g. Refrigerant low or leaking
h. Expansion valve blockage
a. Check for fans and CFM
b. Check water flow
c. Check for seal, door opening,
ambient temperature and
temperature setting
d. Check for controller and probe
e. Change defrost cycle
f. Call
service
g. Call service
h. Call service
11.Water leak
a. Air leak in the wine cellar
(excessive condensate on the
front of the cooling unit)
b. High humidity
c. Evaporator air flow restriction or
low refrigerant
d. Water passages restricted
e. Drip tray leak (No water overflow
but water leak)
a. Check for any air leak
b. Use drain line
c. Check supply air flow or air TD
crossing evaporator
d. Clean the drip tray
e. Seal the leak using silicone sealant
12.Condensate
a. Drain line restricted
a. Check for drain
