Structural Concepts Oasis B32 - Troubleshooting (Page 3 of 3); Troubleshooting Case Lights and Temperature Holding; Troubleshooting Condensing Unit Operation

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CONDITION TROUBLESHOOTING
Case Lights Are Not
Working
Check that light switch is in the on position.
Check that ALL of the light cords and plugs are properly connected. See
FLUORESCENT LIGHT FIXTURES and LED LIGHT FIXTURES section in this
manual for specifics.
Service Technicians Only: Check voltage at LED drivers. If voltage is entering but
not exiting, LED driver may be faulty.
Control Display Is
Flashing
See your case’s serial label for your model’s specified settings. See SERIAL
LABEL LOCATION & INFORMATION LISTED / TECH INFO & SERVICE for
label location, etc.
Case Is Not Holding
Temperature
If a large amount of warm product was added to the case, it will take time for the
temperature to adjust. Unit needs product to be pre-chilled.
Temperature changes during defrost mode but will return to normal. Fourth LED
will indicate defrost cycle in progress.
Check that case is not in sun or near a heat or air-conditioning vent. See
OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING /
PLUGS section in manual for adverse conditions/spacing issue parameters.
If case is located near front doors, temperature fluctuation can hinder unit’s ability
to maintain temperature. See OVERVIEW / TYPE / COMPLIANCE / WARNINGS /
PRECAUTIONS / WIRING / PLUGS section in manual for adverse conditions/
spacing issue parameters.
Check that condenser coil air filter (attached to rear grille) has been cleaned. See
GENERAL CLEANING (TO BE PERFORMED BY STORE PERSONNEL) section
in operating manual for instructions.
Check that condenser coil has been cleaned.
Check air return grilles for obstructions.
Check sight glass for flashing and/or low charge.
Check Set Point Temperature; it may be adjusted too high.
Condensing Unit Is
Not Operating
Check that the power is turned on.
Determine if temperature controller settings are properly set. See your case’s
serial label for your model’s specified settings. See SERIAL LABEL LOCATION
& INFORMATION LISTED / TECH INFO & SERVICE section in manual for label
location, etc.
TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDER ONLY) - PAGE 3 of 3