Question about Sharp R-1405 / R-140 Microwave Oven
Well first of all you can check Door switch - check the door hooks and the door-release button. When these are broken, the door switch doesn't activate, so the oven can't work.
A door switch is a simple on/off mechanism that prohibits the microwave from operating when the door is open. Microwave door switches are only an inch long. Most are black in color and all have metal prongs, called terminals, extending out from the body of the switch. Microwave door switches are normally mounted to a bracket near the door latch. Also, microwaves usually have three or four door switches. There is a latch (sometimes referred to as a hook) attached to the inside of your microwave door that comes in contact with and activates the door switch when the door is closed. Examine this prong first. You may not be experiencing any problems with your door switch. Perhaps the latch on the inside of your microwave door is missing or damaged, leaving it unable to activate the door switch.
Using caution, remove all wiring harness leads from the switch's terminals. Be aware that some door switches may have a locking clip keeping the harness from coming loose. In this case, there is a protruding lever which must be depressed while the harness is gently pulled away from the terminal. You need to use a multimeter to check the door switch, please post comments for further help or information..........
Posted on Jul 27, 2010
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Posted on Jan 02, 2017
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