Question about Refrigerators
Model number MBB1957VEW2
I don't know. a quick temporary fix would be to use a timer
[ rated strong enough ] to turn the power off and on for a while every so many hours.
Posted on Jun 12, 2019
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Posted on Jan 02, 2017
SOURCE: microwave stops working f-7 code
should be a "mini-manual" (tech sheet) hidden inside the unit
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating components.
From the mini-manual:
(Note that these troubleshooting directions are meant for a technician, but one who swaps boards, not repairs them to component level)
To find helpful exploded view diagrams and get part numbers, you can just enter your full model number at the Sears parts site.
But Sears parts can usually be obtained for far less here by entering either the part number.
One should also check the wiring and connectors from the control board to the inverter and inverter to magnetron, etc.
Be sure to work with the power unplugged and you may want to discharge the high voltage capacitor.
If nothing else, you can save about $75 by taking it to the Sears-authorized shop yourself.
Otherwise, you can contact Sears for service.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Jun 28, 2009
A basic model heat pump with an air handler with electric strip heat generally will continue to run with a call for heat regardless of the outdoor air temperature unless there was an outdoor thermostat (an accessory) installed. There is still heat in the outdoor even at temperatures of zero and below. Generally, there is a balance point of approx 30-35degF that allows the heat pump to heat your house to 68degF without the need for the electric heaters. Below that, the heat pump can still extract heat from outside and "pump" it into your house; however, it will need help from the electric heaters. In temperatures below the balance point, the heat pump will run non-stop. As the temperature in the house falls approx 1 - 2 degF below the setpoint, the electric heaters will energize. So it is not uncommon for the system to run non-stop with the temperature falling a few degrees below setpoint. The colder the outside temperature, the more often the strip heaters will cycle on/off. If your system is well-maintained and operating at proper performance, it is still cheaper to run your heat pump than it is to run on straight electric heat. If you live in a climate where below zero temperatures are normal during the winter months, you might want to research heat pump options that offer higher COP's and increased performance in colder temperature than the basic contractor's model. Start with initiating communication with a local contractor. You will need to consider initial cost and the pay-back period based on your local energy costs and your specific demands you want your system to meet.
Hope this helps!
Posted on Feb 14, 2010
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