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14.Evaporator freezing
up
a. Evaporator air flow restriction
b. Condenser air flow restriction
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 stopping,
moisture in the system
g. Refrigerant low or leaking
h. Expansion valve blockage
a. Check for fans and CFM
b. Check for fans and CFM
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
15.Water leak
a. Air leak in the wine cellar causing
excessive condensate
b. High humidity causing excessive
condensate
c. Evaporator air flow restriction
d. Drain restricted or unit not level,
and water overflowing
e. Drip tray leak (No overflow but
water leak)
a. Check for air leak
b. Use drain line
c. Check supply air flow or air TD
d. Clean the drip tray and drain line
e. Seal the leak using silicone sealant
16.Excessive
condensate in wine
cellar
a. Air leak in the wine cellar causing
excessive condensate
b. High humidity causing excessive
condensate
c. Drain restricted
a. Check for any air leak
b. Use drain line
c. Clean the drip tray and drain line
17.Condensate inside
ducts
a. Drain line restricted
b. Continually running not stopping
c. Too cold supply air
a. Check for drain
b. raise temperature setting or increase
defrost cycle
c. Increase air flow or raise temperature
setting
18.Condensate outside
ducts
a. Duct not insulated
b. High humidity
c. Too cold supply air
a. Check for insulation
b. Use dehumidifier
c. Increase air flow or raise temperature
setting
19.Circuit tripping
a. Incorrect fuse or breaker
b. Incorrect wirings
c. Failed components
a. Check for proper fuse or breaker
b. Check for wirings and connections
c. Call service
20.Noisy operation
a. Mounting area not firm
b. Loose parts
c. Compressor overloaded due to
high ambient temperatures or
airflow restriction
d. Defective components
a. Add support to improve installation
b. Check fan blades, bearings, washers,
tubing contact and loose screws.
c. Check for airflow
d. Call service for checking internal loose,
inadequate lubrication and incorrect
wirings