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Thread: DBC039A1BDB Danby Beverage Center Not Cooling Below 50F

  1. #1
    Join Date
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    Default DBC039A1BDB Danby Beverage Center Not Cooling Below 50F

    Model Number: DBC039A1BDB
    Brand: other
    Age: 6-10 years

    Hi, I'm new to the thread. I searched but could not find the answer to my problem. I have a Danby Beverage Center (4.5 cu ft mini fridge) that will no longer cool below 50F (normal down to 39F). The compressor runs full time and gets hot over time. The coils inside the fridge get cold and the fan is running and blowing cold air. I have tried unplugging and let sit for several days but this does not help. Is it possible there is something wrong with the control board? Does it have a defrost mode that might be stuck on? Does this have a condenser fan I am not aware of? Or is it more likely that I just lost some of the AC Charge (R134A). No fittings to test Hi/Lo pressures. I'm not much for soldering fittings on but I'm willing to try if that is the most likely cause (I've done basic auto AC). Worst case, I wouldn't mind paying someone to install fittings and add new charge. Thanks for the help, Jeff.
    Last edited by jtflorian; June 2nd, 2017 at 04:07 PM. Reason: Forgot to mention coils inside do get cold and internal fan is running.

  2. #2
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
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    Default

    Hi,

    Is it possible there is something wrong with the control board?
    If it is running, not likely.

    Does it have a defrost mode that might be stuck on?
    You mentioned it is running, nope. The unit goes off during a defrost cycle.

    Does this have a condenser fan I am not aware of?
    Probably does, but can't check as most online parts places will not have this units part breakdown. I will try to remember to check our Danby CD at work on Monday.

    Or is it more likely that I just lost some of the AC Charge (R134A).
    A system problem is very likely...but a leaker is just one issue, restrictions, inefficient compressor or a leaker or possible.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid
    Yeah I've got O.C.D.....Old, Cranky and Dangerous.

  3. #3
    Join Date
    Jun 2017
    Location
    GA
    Posts
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    Default

    Thanks Jeff,
    Here is the schematic they sent me.

    I don't think a defrost cycle exists since it doesn't have a freezer section, but my thought was that if it did, it is turning it on even though the compressor is running, and won't turn off, so it is always heating. Cooling seems cold enough to cool, condenser coils are hot like it is removing heat from inside.
    Attached Thumbnails Attached Thumbnails Danby.jpg  
    Last edited by jtflorian; June 4th, 2017 at 09:56 AM.

  4. #4
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    Location
    GA
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    Default Parts list from schematic

    Danby Model: DBC039A1BDB
    Factory Model:
    Effective Date: 2012/11/13
    Revision: New
    NO PART NUMBER PART DESCRIPTION (ENG) QTY Notes
    1 DG2-1 Power cord 1
    2 DG13-1 Water tank 1
    3 DG1-29 Compressor 1
    DG12-102 Start device 1
    DG12-96 Overload protector 1
    4 DG13-2 Electrical box cover 1
    5 DG11-2 Junction block 1
    6 DG26-9 Cabinet 1
    7 DG13-8 Decorative nail 3
    8 DG14-1.2 Top hinge module 1
    9 DG13-12 Decorative cover 1
    10 DG13-7 support block 1
    11 DG20-1 Wire clamp 1
    12 DG12-1 Evaporator 1
    13 DG8-7-W Senser 1
    14 DG7-3.1-BH Evaporator fan 1
    15 DG19-1 Fan cover 1
    16 DG22-132 Air duct board 1
    17 DG3-7 PCB board 1
    18 DG6-8 Transformer 1
    19 DG3-14-B LED light 1
    20 DG9-3 Switch 1
    21 DG14-20 Covering of lock arm 1
    22 DG23-6.7 Door 1
    23 DG14-3 Extrusion-board of lamp switch 1
    24 DG15-105 Cylinder wine rack 1
    25 DG15-100 Full glass shelves 3
    26 DG15-102 Front bar 3
    27 DG15-103 Back bar 3
    28 DG13-146 Dowel 6
    29 DG20-63 Display panel 1
    30 DG22-22.2 Electrical box 1
    31 DG13-6.2 Cabinet leg, type BC50N 1
    32 DG14-166 Lower hinge module 1
    33 DG9-9 Door switch 1
    34 DG14-26.1 Switch box of door lamp 1
    35 DG13-6.1 Cabinet leg, type BC50 3
    36 DG12-6.1 Air circulating pipe 1
    37 DG22-89 Compressor bracket 1
    38 DG13-215 Door stopper 1
    39 DG14-125 Handle 1
    40 M184-008 Gasket 1
    41 DG11-4 Drier filter 1
    DG14-5.1 DWC DOOR LOCK KEY LONG

  5. #5
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
    21,549

    Default

    Here is the schematic they sent me
    Does this have a condenser fan I am not aware of?
    No condenser fan motor.

    I don't think a defrost cycle exists since it doesn't have a freezer section
    From the picture, it is a cycle defrost...when the compressor cycles off the fan is still drawing air over the evaporator and this warmer than the evaporator air will defrost it....so it defrosts when the compressor cycles off.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid
    Yeah I've got O.C.D.....Old, Cranky and Dangerous.

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