Question about Maytag Refrigerators

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Maytag MSD2756DE refrigerator start relay keeps failing. Suspicion is that very short (1-5 second) interruptions in the electric supply are the cause My question: Would an appropriately sized uninterruptable power supply installed in the line between the refrigerator and the circuit breaker box resolve the issue? Since the maximum current draw for the unit is 7.2 amps, it would seem that a UPS which could supply 800 watts should be enough to solve the problem. Given that the maximum current is only drawn momentarily at compressor start, chances are that a unit considerably lower that 800 watts would probably be sufficient. Please advise.

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  • barry_bca Aug 05, 2008

    We do know that there have been brief power outages because UPSs for computers have beeped once or twice when clocks and other appliances like VCRs have lost their settings and had to be re-programmed. A UPS seemed like a logical solution for that since it would prevent the power outage from reaching the refrigerator and turning off the compressor and then trying to immediately re-start it. It obviously would not keep a refrigerator going through a longer power failure.

    Replacing the start relay three times in six months is too expensive to not try something and the hard start relay/capacitor sounds like it might be the better way to go. Many thanks.


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An interruption in the power supply would usually show in other electrical fixtures in the house. A UPS is not recommended for a power back up on a refrigerator.

The condition you describe usually indicates that either the compressor is working too hard and drawing too much current or the start relay is gone bad. The starting and stopping that you hear is a safety shut-off within the relay. A good place to start is changing start relay for the factory recommended one.

If the standard relay does not correct the problem, there is in most cases a temporary fix, it is called a hard start relay/capacitor. It is usually available from an appliance parts retailer for around $15 to $20. Installation instructions are included, just be sure to unplug your refrigerator first and make sure that someone following you can repair from where you left off. This relay assembly can normally get you up and running but it should not be used as a permanent fix. This will not correct for a refrigerant leak in the system. Outside of this may require having a professional come in to fix the issue, it can range anywhere from a faulty compressor to a refrigerant leak.

Check your refrigerator owners manual before making any repairs or modifications to your refrigerator, there may be an extended warranty on the sealed system and compressor if needed.

Posted on Aug 05, 2008

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