13
fan running
but
condensing
unit not
running
b. Failed components
c. Low refrigerant
b. Check start relay, start capacitor,
overload protector, compressor.
c. Call service
13.Temperature
low
a. Low temperature setting
b. Low ambient temperature
c. Air probe fault
d. Temperature controller fault
a. Raise the setting
b. Move to another location
c. Check probe connections or change
a new one
d. Change a new one
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 water overflow
but 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
a. Add support to improve installation
b. Check
fan
blades,
bearings,
washers, tubing contact and loose
screws.
c. Check for airflow
