Question about Sharp R-1610 Microwave Oven
Dear All , I have a Sharp Microwave model R-340D . it has worked fine for about 2 years . but suddenly , It stoped to heat at all . All other functions operates pretty well , ie , the lamp is on and the motor rotates during heating . and the timer operates we during the setted heated period . However , NO HEATING occurs . There is NO buzzling sound . What do you recommend me to do . Thanks, Best Regards, Eng.Waleed Said Mohamed . When I hit the Start Button last night, the microwave made a HUGE "POP" and now it wont heat food. Everything else works correctly (clock, display, light, fan, turntable...) but it makes a LOUD noise when it's turned on and it does'nt heat food. HELP It's about 3 years old.
Waleed, Since the microwave is going through all its motions we can feel safe that the oven and magnetron thermostats are ok. If they were bad you would not have a display. Just inside the control panel to the left, you have 3 switches which the door activates. A primary (top switch) a secondary (bottom switch) and a monitor switch (middle). If the primary or secondary switch is not closing when the door is shut, you high voltage side will not activate, therefore no heat. If the monitor switch failed or found either the primary or secondary switch closed with the door open, it would blow the main fuse and the oven would be dead. Therefore Im leaning on either the primary or secondary switch not operating correctly. When checking these switches, unplug and discharge the capacitor. This is high voltage. Good luck
Posted on Jun 17, 2006
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