ColdTech U1BRR-06S, U2BFF-12S, U1BFF-06S, U2BRR-12S Symptom Possible Cause Corrective Action

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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.

Re-arrange product to allow for

 

 

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.

 

 

 

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Contents Commercial Refrigerator and Freezer Table of Contents Electrical INSTALLATION/ OperationIMPORTANT!!! Please Read Before Installation Cabinet Location GuidelinesLoading Food Pans Temperature ControlsLoading Product Defrost SystemsKEY Safety / WarningUnplug Cord Proper Grounding Required Prohibited Cleaning the FAN Blades and Motor Regular MaintenanceTrouble Shooting Cleaning the Condenser CoilSymptom Possible Cause Corrective Action Retain this Manual for Future Reference New Symbol of Innovation