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My bottom freezer Amana BX21 fridge is freezing up every month or so. I unload , defrost and it starts working again for 3-6 weeks until if frosts up again. What should I look for ?

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  • drudder May 12, 2009

    Is the timer inside the freezer compartment ? How do you remove the Ice maker so you can remove the rear panel inside the freezer ?

    Thanks,

    Dwight

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Dear drudder,                     looks like your refrigerater is not defrosting automatically. please do the following checks 

  1. Test the defrost timer
  2. Test the defrost heater
  3. Test the defrost thermostat
Click on the highlighted link to get the procedure. Follow the instructions carefully sir. Also check for the 
  1. Check the temperature setting
  2. Test the temperature control
Click on link for exact procedure.. Thank you.. 

Posted on May 12, 2009

  • Ajith Kumar May 12, 2009

    The defrost timer is usually found behind the front grill "toe kick" of the refrigerator. It may also be found behind a cover plate inside the refrigerator or freezer, in the temperature control console, or behind the refrigerator near the compressor.
                                        To test whether the defrost timer is simply failing to advance, locate the advance screw and turn it clockwise until you hear it click. This advances it to the next mode. If it was cooling before, it is now in defrost mode. Simply wait about 35 minutes and check whether it has left defrost mode and has resumed cooling (listen for the compressor). If it does not advance, the timer motor is probably bad and the entire timer needs to be replaced. If it advances as it should, then you can follow the steps below to test the switch electrically.
                                        The timer is usually held in place with one or more screws. Remove the screws and gently pull the timer out far enough to disconnect the wiring connector. The connector can be removed by firmly pulling and rocking it left and right. It is not necessary to note the position of the wires because the connector plug is keyed so that it can be replaced in only one way.


    Test the timer for continuity using a multitester. Set the multitester to the ohms setting X1. The timer has four terminals. Locate the common terminal, it should be labeled "3" or "C". If the terminals are not labeled, determine which terminal coincides with the white wire in the connector plug.
                                 Once you have located the common terminal, touch one probe to it. touch the other probe to each of the three remaining terminals. The multitester should display a reading of zero or near to zero ohms (which indicates continuity) for one pair of the terminals and possibly two pairs. The third pair of terminals should show no continuity (infinity).
                                   Locate the timer switch and turn it clockwise until you hear it click. Now retest the timer as you did above. One pair of terminals should indicate continuity (possibly two pairs). At least one pair should give a reading of infinity. Note however, one of the pairs that showed continuity in the first test should now read infinity and one pair that read infinity should now show continuity. If the defrost timer does not pass these tests, it is likely that it should be replaced.




  • Ajith Kumar May 12, 2009

    For removing icemaker refer to cleaning section of your manual sir. Thank you.

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