Customer Questions and Answers for Wire-Vltg by Whirlpool

Hello Steven. You most likely have a "high voltage" side malfunction. Transformer, diode, magnetron, Capacitor. You will need to be extremely careful if you decide to test the components with a multi meter, Very high residual voltage is present, so make sure you remove power to the microwave and short across the terminals on the capacitor. The magnetron should have a reading of less than 1 ohm resistance across the two terminals, and an "open" circuit between each terminal and chassis ground. The diode/rectifier should have a resistance reading in one direction only, no resistance, or resistance in both directions indicate a faulty diode. The primary winding on the trans former should read approximately 450 Ohms resistance, the secondary winding should read 80 ohms resistance, and the filament transformer should read 100 ohms resistance. If all the readings are proper and in range, replace the magnetron.

Hello Clifford, This will be a bad relay on the control board 8183756 and it will need to be replaced to correct the issue.

IIProbe, You will want to check the ceramic fuse and all thermal cutoffs for continuity. If there is no continuity then the part will need to be replaced.

Hello Jim. It sounds like the door switch is bad. You will need to test them and see which door switch is bad on the unit. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

Hello Khanh. You most likely have a "high voltage" side malfunction. Transformer, diode, magnetron, Capacitor. You will need to be extremely careful if you decide to test the components with a multi meter, Very high residual voltage is present, so make sure you remove power to the microwave and short across the terminals on the capacitor. The magnetron should have a reading of less than 1 ohm resistance across the two terminals, and an "open" circuit between each terminal and chassis ground. The diode/rectifier should have a resistance reading in one direction only, no resistance, or resistance in both directions indicate a faulty diode. The primary winding on the trans former should read approximately 450 Ohms resistance, the secondary winding should read 80 ohms resistance, and the filament transformer should read 100 ohms resistance. If all the readings are proper and in range, replace the magnetron.

Hello Renee. Yes, the diode does connect to the capacitor on the unit.

Hello Jojo. It sounds like the control board is bad. As for the heating issue, it could be the magnetron or the HV transformer. The control board 8184747 has been permanently discontinued by the manufacturer and we don't know of any source or replacement for the part.

Hello Takio. Yes, the diode WP8205489 should read in one direction.