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13

 

Problem

 

Solution

 

Alarm Going Off

 

See alarm and fault codes of temperature controller.

 

 

 

Product is Drying Out

 

Check the relative humidity in the store.

 

 

 

Water on the Floor

 

Check the drain trap is free of debris.

 

 

Check that the condenser hot gas evaporator for cleanliness.

 

 

 

Excessive Fan Noise

 

Check that the case is aligned, level and plumb.

 

 

Check that nothing is obstructing the blade rotation.

 

 

Check that the fan shroud is properly secured.

 

 

 

System is not Operating

 

Check that the utility power is on.

 

 

Check that the MAIN power switch is on.

 

 

Check the circuit breaker box for tripped circuits.

 

 

 

Temperature Controller 

Has No Illumination

 

Check connections on power supply contactor board.

 

 

Check fuse on power supply contactor board.

 

 

 

Fans Not Working

 

Check that the power is on.

 

 

Check that fans are plugged in at the fan shroud. 

 

 

Faulty motor.

 

 

 

Case Lights Not Working

 

Check bulbs for proper installation and connection.

 

 

Check for burned out bulbs.

 

 

Clean dirt and dust from the bulbs to prevent flickering.

 

 

Faulty ballast.

 

Not Holding Temperature

 

If a large amount of warm product was added to the case, it will take time for 

the temperature to adjust.

 

 

The temperature will change during defrost mode but will return to normal. 

 

 

Check that the case is not in the sun or near a heat or air

-

conditioning vent.

 

 

Case may be located too near store

s outside doors.

 

TROUBLESHOOTING 

-

 GENERAL

 

Summary of Contents for CO2739R

Page 1: ...USER MANUAL_CO2739R_REF_SVC SELF SVC_SELF CONT_CASE Model CO2739R Shown With Product For Illustrative Purposes Only READ AND SAVE THESE INSTRUCTIONS SCC P N 99399 USER MANUAL Oasis Structural Concepts...

Page 2: ...LUG LED LIGHTS FIXTURES MAINTENANCE FUNDAMENTALS CONTINUED HONEYCOMB AIR DIFFUSERS ELECTRICAL FUNDAMENTALS REFRIGERATION FUNDAMENTALS SERIAL LABEL LOCATION INFORMATION LISTED TECH INFO SERVICE TROUBLE...

Page 3: ...CE Performance issues when in violation of applicable NEC federal state and local electrical and plumbing codes are not covered by warranty See below compliance guideline WARNINGS This sheet contains...

Page 4: ...oved by Structural Concepts and Structural Concepts attests under penalty of perjury that these statements are true and accurate CAUTION DO NOT RELY ON THERMOMETERS OR THERMOSTATS FOR PRODUCT FOOD TEM...

Page 5: ...n position and level and plumb if case has levelers you must reattach these components to case 3 Remove Case From Skid To prevent damage support case while sliding it toward edge of skid For units wit...

Page 6: ...m inside of the case check for discharge air from front baffle to confirm that the fans are functioning properly When the case is in a start up mode or has been idle for a long period of time Main Pow...

Page 7: ...lle 3 Light Fixtures Fluorescents Removal of lamp Rotate lamp 1 4 turn either direction to disengage upper or lower pins contacts from lamp mounting sockets Remove bulb buy applying even pressure from...

Page 8: ...fully pull away from its spring Disconnect plug from LED s socket Contact Structural Concepts Technical Service Department for replacement parts see Technical Service section of this manual for inform...

Page 9: ...sure to collapse the honeycomb to allow it to be pulled out of honeycomb retainer C Pry downward and away from honeycomb retainer Clean honeycomb with warm water and soap solution Submerse if necessar...

Page 10: ...Access and Connections Warning disconnect power before providing maintenance and service to unit 2 Light Ballast Access Remove three screws from the rear wire channel Remove four screws from the rear...

Page 11: ...lower decking A finger hole is provided to assist in lifting up and pulling out deck 3 Expansion Valve Access Remove lower decking A finger hole is provided to assist in lifting up and pulling out dec...

Page 12: ...0 16 A R513A AMOUNT 50 OZ HIGH 186 LOW 88 20A 20A Super Heat Temp 6 8 F FOR PARTS AND SERVICE Defrost 6 defrosts per day 45 F CALL 1 800 433 9490 Serial Label Location Information Listed Technical Inf...

Page 13: ...rcuits Temperature Controller Has No Illumination Check connections on power supply contactor board Check fuse on power supply contactor board Fans Not Working Check that the power is on Check that fa...

Page 14: ...system Check that liquid line filter dryer is not plugged Check that close offs are intact around condensing coil and that air is not recirculate Check that store ambient temperature isn t above maxi...

Page 15: ...e is no air recirculation around evaporator coil Check that evaporator coil is not iced up High Suction Pressure Check for refrigerant overcharge Check that compressor reed valves aren t bad Look for...

Page 16: ...16 ILLUSTRATED PARTS BREAKDOWN 4 8 2 6 7 15 13 5 3 14 9 1 17 12 11 10 16...

Page 17: ...Panel 11 Wire Channel 3 End Panel Mirror 12 Rear Grille 4 Air Deflector Glass 13 Temperature Controller 5 Single Pole Switch 14 Fan Motor Evaporator 6 Front Panel 15 Deck Pan 7 Bumper Insert 16 Lamp B...

Page 18: ...ove rear doors and clean with a household or commercial cleaner X Vacuum tub under deck or soap and water if necessary To flush out the tub disconnect power to the case Remove the ABS deck and the fan...

Page 19: ...s Used OnYour Case Follow These Instructions If Viewing This Document on Smart Phone Tablet or Computer Select Click On The QR Code at Right If Viewing This Document In Print Hard Copy Scan The QR Cod...

Page 20: ...LLOWING INFO AVAILABLE BEFORE CONTACTING STRUCTURAL CONCEPTS SERIAL NO MODEL NO STORE NO STORE ADDRESS DETAILS PHOTOS LEAK LOCATIONS DAMAGE STORE S AMBIENT CONDITIONS ETC ToAccess The Limited Warranty...

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