Question about Amana ABB1927DE Bottom Freezer Refrigerator
Our Amana ABB1921DEW refrigerator doesn't get cold in the top refrigerator compartment, however, the freezer works fine. There is no cold air coming in any of the vents. The damper functions and the vents are not blocked. There is frost on the rear of the freezer. When I run service test 1,"Defrost Thermostat and Defrost Circuit test" I never see the "0" under the refrigerator keys that indicate an open circuit and the freezer keys that allow this selection on the test do not operate. Also, when I short the circuit the frost on the rear of the freezer compartment does not melt. This leads me to believe the defrost thermostat isn't working. Would a malfuctioning defrost thermostat cause no cold air to enter the refrigerator compartment? In addition when I run troubleshooting test 2 "Compressor/Condenser Fan Test", I can't hear any fan. Should I hear this fan or it just really quiet? Is this bad, too, or will it just not operate when the defrost thermostat is malfunctioning?.
Hello, Unfortunately the compressor likely is seized now. There are a couple of reasons that the original start device failed, 1) faulty connection. 2) poor quality part. 3) compressor was running non-stop due to other deficiencies in the unit or 4) the compressor was failing to begin with. The compressor may indeed check out ok as far as electrically ( windings ) but the mechanical component ( rotor ) has locked/seized up. You can determine whether it is the windings by checking the ohm value between common to start, common to run and run to start ( c-s, c-r, r-s ) and look for values similar to 6ohms, 3ohms, & 9ohms. Then check the start and run & common windings against the compressor casing to see if windings are shorted. In order to double check the mechanical component you'd need another hard start, ( or a test cord direct to 120vac, but that should only be done by an experienced tech ). nothing else will start it at this point obviously or you wouldn't be using a hard start already. The other unfortunate issue is this, many of these compressor's have a 10yr. parts only warranty but that was voided as soon as the 3in1 hard start was installed. In the end I'm likely not telling you anything you didn't already suspect or know in fact, but it is likely the compressor. I sympathsize, seized compressors **** ! Hope this answers your question and moves you forward. good luck macmarkus :)
Posted on May 08, 2010
There are a few reasons why the refrigerator part will not cool...here are a couple of tips that will help you to figure out why the refrigerantor is not cooling...
Refrigerator not Cooling or Fridge not Cooling
How to Defrost Refrigerator Defrost Timer Problem
Posted on May 31, 2010
There may be damaged or broken wire to the evaporator fan
There are two wires to the evaporator, one hot and one neutral Unplug and check the neutral against ground with a continuity tester if ok test the other wire in a non invasive fashion using a safety pin
The way you do is to insert the pin say at several points on the wire until you discover where the break is. Use alligator clips, one is to be connected at the connector of the fan hot wire ( The suspected wire that may be broken) With alligator connected at the end of the wire connector, insert the pin at different points to check wire integrity with an ohmmeter. Where there is no continuity, that is where the break would be.
If that does not work, you probably will have to run a new wire. Here is a hint: The evaporator fan runs only when the compressor is running. If you can extrapolate, you can find an alternate way to reconnect the evaporator fan and have your fridge running in no time.
Posted on Dec 20, 2010
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