-18-
low
Low ambient temperature
Air probe fault
Temperature controller fault
Move to another location
Change a new one
Change a new one
13.Evaporator
freezing up
Evaporator air flow restriction
Low temperature setting
Low ambient temperature
Defective controller or probe
Not stopping due to air leak, high
ambient temperature, condenser air
flow restriction or pull-down cooling
Initially working then stopping,
moisture in the system
Refrigerant low or leaking
Capillary tube or expansion valve
blockage
Check for fans and air flow
Check for set-point
Change defrost cycle
Check for controller and probe
Check for seal, door opening, ambient
temperature and condenser air flow
Call service
Call service
Call service
14.Water leak
Air leak in the wine cellar causing
excessive condensate
High humidity causing excessive
condensate
Evaporator air flow restriction
Water passages restricted
Drip tray leak (No water overflow but
water leak)
Check for air leak
Use drain line
Check supply air flow or air TD
Clean the drip tray
Seal the leak using silicone sealant
15.Excessive
condensate in
wine cellar
Air leak in the wine cellar causing
excessive condensate
High humidity causing excessive
condensate
Water passages restricted
Check for any air leak
Use drain line
Clean the drip tray
16.Condensate
inside ducts
Drain line restricted
Continually running not stopping
Too cold supply air
Check for drain
raise
temperature
setting or
increase defrost cycle
Increase
air
flow
or
raise temperature setting
17.Condensate
outside ducts
Duct not insulated
High humidity
Too cold supply air
Check for insulation
Use dehumidifier
Increase
air
flow
or
raise temperature setting
18.Circuit
tripping
Incorrect fuse or breaker
Incorrect wirings
Failed components
Check for proper fuse or breaker
Check for wirings and connections
Call service
19.Noisy
operation
Mounting area not firm
Loose parts
Compressor overloaded due to high
ambient temperatures or airflow
restriction
Defective components
Add support to improve installation
Check fan blades, bearings, washers,
tubing contact and loose screws.
Check for airflow
Call service for checking internal loose,
inadequate lubrication and
incorrect wirings