@mrfixits most common cause for microwaves not heating is a failed diode. That diode converts your A/C power to D/C , increasing the voltage to around 5,000V and powers the magnetron. You can test the diode test with a multimeter and connect a 9-volt battery in series with the diode. When the leads are reversed, the diode should only have continuity in one direction. It is also possible that one of the door switches has failed. Check those switches for continuity when closed.
+
@mrfixits most common cause for microwaves not heating is a failed diode. That diode converts your A/C power to D/C , increasing the voltage to around 5,000V and powers the magnetron. You can test the diode with a multimeter and connect a 9-volt battery in series with the diode. When the leads are reversed, the diode should only have continuity in one direction. It is also possible that one of the door switches has failed. Check those switches for continuity when closed.
+
Again, '''be aware that microwaves store a lethal amount of power and getting zapped with that will leave a lasting impression!'''
@mrfixits most common cause for microwaves not heating is a failed diode. That diode converts your A/C power to D/C , increasing the voltage to around 5,000V and powers the magnetron. You can test the diode test with a multimeter and connect a 9-volt battery in series with the diode. When the leads are reversed, the diode should only have continuity in one direction.
-
-
It is also possible that one of the door switches has failed. Check those switches for continuity when closed. Again, be aware that microwaves store a lethal amount of power and getting zapped with that will leave a lasting impression!
+
@mrfixits most common cause for microwaves not heating is a failed diode. That diode converts your A/C power to D/C , increasing the voltage to around 5,000V and powers the magnetron. You can test the diode test with a multimeter and connect a 9-volt battery in series with the diode. When the leads are reversed, the diode should only have continuity in one direction. It is also possible that one of the door switches has failed. Check those switches for continuity when closed.
+
Again, '''be aware that microwaves store a lethal amount of power and getting zapped with that will leave a lasting impression!'''
@mrfixits most common cause for microwaves not heating is a failed diode. That diode converts your A/C power to D/C , increasing the voltage to around 5,000V and powers the magnetron. You can test the diode test with a multimeter and connect a 9-volt battery in series with the diode. When the leads are reversed, the diode should only have continuity in one direction.
It is also possible that one of the door switches has failed. Check those switches for continuity when closed. Again, be aware that microwaves store a lethal amount of power and getting zapped with that will leave a lasting impression!