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Evaporator coil freezing.

Hi,

I have a Westinghouse side by side wse6070sa for the Australian market so not sure whether you will find this model on the US market. I have had it for just over a year and recently I started to notice that the freezer temperature alarm would go off and the freezer not staying cold. I had read a few posts and decided to have a look at the back panel of the freezer and realised that frost was forming. I then opened the back panel and the top part of the evaporator coil has frosted over. I have tried to defrost it with a hair dryer and then plugged it back it only to find that after 4 hours of operation that the freezer temperature alarm to start again.

I am not sure how to diagnose the problem. I have read that the control board controls the defrost process but how do I know that it is faulty? How do I know the thermostat is problematic? How do I know that the heater is faulty?

Would really appreciate some help!

Thanks

Posted by on

  • hihai2003 Oct 05, 2009

    Hi Milten,

    I just left the fridge to defrost for a day as the beeping was getting annoying.
    Checked the fan and it appears to be working using the trick that you said.
    What else should I check?

  • milten1
    milten1 May 11, 2010

    check to ensure the fan is working properly

    you can do this by holding the door switch closed

    you should hear the fan aftger a few secds, if you can visual view this it would be better

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  • Refrigerators Master
  • 1,922 Answers

Sounds like either you need to thoroughly clean the evap coil, then restart and see if you hear a gurgling noise inside unit and if coils begin to frost again, then you could be low on freon/refrigerant

Posted on Oct 05, 2009

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