Question about Magic Chef Microwave Ovens
Turn the temp up a few more degrees to compensate for when you open the door there really is no way to fix this its just common sence that says when a door is opened the heat will come out
Posted on Apr 26, 2010
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Control system for a microwave oven or a combination microwave and convection oven where the on time of a microwave generating system is decreased while convection heater on time may optionally be increased as a food product cooks to a predetermined, desired temperature. A temperature probe inserted in the product senses temperature and connects to a Wheatstone bridge. A differential amplifier connects to the Wheatstone bridge, an up/down integrator circuit connects to the differential amplifier, and a comparator connects to the integrator and which includes a latch to generate a signal to control a triac for controlling the microwave generating system and to provide a closed loop feedback signal to the temperature probe. The control system starts the oven cooking with substantially one-hundred percent power and, as the desired predetermined temperature is reached, the microwave power level is decreased through the control system. As the microwave power level is decreased, the average power to the convection heater may optionally be increased to speed the browning and crisping of a food product. The control system, through the electrical circuit, converts the temperature differential signal into a microwave generating system level signal. The closed loop feedback signal is generated by the microwave generating system which is controlled by the comparator latch and an NPN transistor controlling the up/down integrator. The control system can be used with any type of microwave oven.
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Posted on Apr 26, 2010
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Posted on Jan 02, 2017
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If one of the door interlock switches
is not switching properly or there is a condensation problem on the
sensor control panel, either can cause the turntable/light/oven to
come on even though the "Starts" button has not been
depressed due to the wiring of the switches.
Check for faulty door switches and/or contaminated actuators.
I hope that helps.
Jan 19, 2011 | GE JE1390 Microwave Oven
Jun 13, 2017 | Sharp R-220BW Microwave Oven
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