ColdTech U1BFF-06S Owner's Manual page 7

SYMPTOM
Compressor not running.
Condensing unit runs for
long periods of time.
Cabinet temperature is
too warm.
Cabinet is noisy.
POSSIBLE CAUSE
Fuse blown or circuit breaker tripped.
Power cord unplugged.
Thermostat set too high.
Cabinet in defrost cycle.
Excessive amount of warm product
placed in cabinet.
Prolonged door opening or door ajar.
Door gasket(s) not sealing properly.
Dirty condenser coil.
Evaporator coil iced over.
Thermostat set too warm.
Blocking air flow.
Excessive amount of warm product
placed in cabinet.
Fuse blown or circuit breaker tripped.
Dirty condenser coil.
Prolonged door opening or door ajar.
Evaporator coil iced over.
Loose part(s).
Tubing vibration.
-7-
CORRECTIVE ACTION
Replace fuse or reset circuit
breaker.
Plug in power cord.
Set thermostat to lower
temperature.
Wait for defrost cycle to finish.
Allow adequate time for
product to cool down.
Ensure doors are closed when
not in use. Avoid opening
doors for long periods of time.
Ensure gaskets are snapped in
completely. Remove gasket
and wash with soap and water.
Check condition of gasket and
replace if necessary.
Clean the condenser coil.
Unplug unit and allow coil to
defrost. Make sure thermostat
is not set too cold. Ensure that
door gasket(s) are sealing
properly.
Set thermostat to lower
temperature.
Re-arrange product to allow for
proper air flow. Make sure
there is at least four inches of
clearance from evaporator.
Allow adequate time for
product to cool down.
Replace fuse or reset circuit
breaker.
Clean the condenser coil.
Ensure doors are closed when
not in use. Avoid opening
doors for long periods of time.
(see above)
Locate and tighten loose
part(s).
Ensure tubing is free from
contact with other tubing or
components.