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Zero heating performance - Haier Microwave Microwave Oven

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Make this test and fix it. God bless you


  1. Check the power diodeThis electronic component is responsible for transmitting current in one direction. If the diode becomes defective it will cause your microwave to not heat. Test the diode and replace it if necessary.
  2. High voltage capacitorResponsible for storing electricity, this part is a key component in any microwave. Remove, discharge, and test the capacitor to determine if it requires replacement.
  3. Damaged magnetronResponsible for generating waves and producing heat. When your microwave is no longer heating properly, replacement will be required.
  4. Thermal CutoffsExamine the thermal cutoffs on both the magnetron and the oven itself. Take off one of the leads and using a volt-ohm meter on RX1, check the terminals. If you get a result other than zero, replace the thermal cutoffs.
zero heating performance - 709a1f2c-f06b-4f8c-9cc2-d2d16f0b6f73.gif

Posted on Nov 19, 2013

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My haier microwave oven is not working every thing is ok except heating


please make this test and fix it. God bless you


  1. Check the power diodeThis electronic component is responsible for transmitting current in one direction. If the diode becomes defective it will cause your microwave to not heat. Test the diode and replace it if necessary.
  2. High voltage capacitorResponsible for storing electricity, this part is a key component in any microwave. Remove, discharge, and test the capacitor to determine if it requires replacement.
  3. Damaged magnetronResponsible for generating waves and producing heat. When your microwave is no longer heating properly, replacement will be required.
  4. Thermal CutoffsExamine the thermal cutoffs on both the magnetron and the oven itself. Take off one of the leads and using a volt-ohm meter on RX1, check the terminals. If you get a result other than zero, replace the thermal cutoffs.
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Nov 19, 2013 | Microwave Ovens

1 Answer

Microwave wont turn on and heat


follow this steps and fix it.
1)
  1. Inspect the power cordUnplug the power cord and check for voltage at the outlet. Also inspect for damage, shorts, or burn marks that can be a possible safety hazard.
  2. Bad door switchIf your microwave does not work at all and you know everything is plugged in properly and the outlet is functioning, then also check the door hooks and the door release button. Using a volt-ohm meter on RX1, check your terminals. When your microwave door is closed you should have a reading of zero. Once the door is open the reading should change to infinity. If these readings do not match up, replacement of the door switch is necessary.
  3. Blown fusesTo determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Lay it down and using a volt-ohm meter on RX1, check both ends of the fuse in question. If you do not get a reading of zero, then you will need to replace the fuse.
  4. Bad fan motorLocate the fan and remove the leads. Again using the volt-ohm meter on RX1, check the terminals. If an infinity reading is displayed, it means that the fan has gone bad and requires replacement.

2) do-not heat

  1. Check the power diodeThis electronic component is responsible for transmitting current in one direction. If the diode becomes defective it will cause your microwave to not heat. Test the diode and replace it if necessary.
  2. High voltage capacitorResponsible for storing electricity, this part is a key component in any microwave. Remove, discharge, and test the capacitor to determine if it requires replacement.
  3. Damaged magnetronResponsible for generating waves and producing heat. When your microwave is no longer heating properly, replacement will be required.
  4. Thermal CutoffsExamine the thermal cutoffs on both the magnetron and the oven itself. Take off one of the leads and using a volt-ohm meter on RX1, check the terminals. If you get a result other than zero, replace the thermal cutoffs.

God bless you

Sep 30, 2013 | LG Microwave Ovens

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I just read that starting the microwave as usual and then slightly pressing in the handle (you can hear the heater(?) come on will make the heat come on. Tried it and it works. My repairman told me it needed a new magnetron ($700) but that was totally wrong. I will be trying another repairman to replace handle mechanism.

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Oven not working. Replaced an element, but oven will not heat up. The stovetop works fine, but the oven does not heat up.


check the continuity or resistance.
Now if its zero reading try to check your termination and also check the fuse or thermal cut out or thermal overload if it is busted or burn try to used also your tester.
But if there a resistances try to reset.

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Microwave not heating...power going to it...turntable runs, lites on...no heating


If you have the experience with discharging a capacitor and you have a (VOM) Volt Olm Meter. Unplug microwave, discharge capicitor, and check the resistance of the two thermal cut-off discs by removing the lead and set VOM to RX1. If you don't get a reading of zero, replace the discs. If you found any of these suggestions helpful, please rate my solution. D. Lange

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