All problems

Each page ranks the probable causes and clearly states when to stop.

Exemples : ne vidange plus E15 fuite ne chauffe plus

Micro-ondes qui ne chauffe plus : 7 causes classées par probabilité

Si la lumière, le plateau et le ventilateur fonctionnent mais que les aliments restent froids, la cause est presque toujours le Mode Démo, l’interrupteur de porte ou la diode, pas le magnétron.
Microwave Buttons or Keypad Not Working? 5 Causes Ranked by Likelihood

Control Lock and grease buildup cause most unresponsive keypads. Check both before assuming the touchpad or control board has actually failed.
Microwave Won’t Turn On? 5 Causes Ranked by Likelihood

Before assuming a part has failed, confirm the outlet actually has power. A dead outlet or tripped GFCI causes more no-power microwaves than any internal fault.
Microwave Door Won’t Close or Open? 5 Causes Ranked by Likelihood

Food debris or grease around the latch causes most microwave doors that won’t close or open, well ahead of a worn latch hook or a faulty door switch.
Microwave Tripping Breaker or Blowing Fuse? 5 Causes Ranked by Likelihood

A microwave that trips the breaker only while it’s running is signaling an internal short, most often in the door switch first, before the capacitor, magnetron, or transformer.
Whirlpool Microwave Not Heating? The Exact Demo Mode Combo

Whirlpool’s demo mode has a specific keypad sequence to turn it off, hold « 3 » for 5 seconds with the door open, that’s easy to trigger by accident too.
LG Microwave Not Heating? Child Lock, Sensor Cook & Component Checks

LG’s own support material starts with Child Lock and Sensor Cook settings before component checks, a different order than most brands.
Samsung Microwave Not Heating? The Demo Mode Timer Test

Samsung’s own troubleshooting includes a specific test: if the countdown timer runs faster than it should, the microwave is in Demo mode, not actually broken.
GE Microwave Not Heating? Why GE Skips DIY Advice on This One

GE’s own support material offers no repair steps beyond two checks, tied to the same capacitor shock hazard behind most microwave repairs.
Oven Door Won’t Unlock After Self-Clean? Here’s What to Try

A door that stays locked after a self-clean cycle is usually just the safety lock waiting for the oven to cool, not a broken part. Give it time before trying anything else.