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