My main oven keeps cutting off and overheating, burning food.Even if i temp at 140 the oven is still really hot and cuts off. The fan stops and the light goes off but indicatin light stays on. i have only had it just over a year.
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There are several possibilities. Make certain your fuse at the main electrical box is correct for a 220VAC line. You do not want to OVER POWER the range. If that is normal, check all cords for insulation and flexibility. Check thermostat controls on the burners and/or oven.
If parts are normal, the only thing you can do is manually set temps lower when using the oven. Glass tops generally stay hot for several minutes after they are turned off. That is Normal, for example, to avoid Glass from fracturing; temperature slowly declines. Lastly; if all is lost, call for a serviceman to check it out, as you do not want a house fire.
hi remember that electric can kill you even if it is unplugged, if you don't know what components are likely to hold charge or have large inductance get someone else to fix it.
you need to get the service manual as tis will have fault finding charts, part numbers, location of sensors etc. If you can't get manual then: Not likely to be temp limiter as this cuts out if temp is too hot. Find temp probe, may be ntc, mercury vapour switch etc. take probe out disconnect leads and measure resistance, heat, or cool, probe measure resistance if not significantly different (ie 10k to 100k or 100k to 300k) then probe is shot. Take probe to spares place, get replacement and refit. Be very careful to refit leads exactly as they came out, don't want insulation to melt and oven to become live. test with oven or meat thermometer as new sensor may need calibration. Should be accurate to within 10C or so
Might need a new temp probe. The temp probe tells the board the oven temp, but if it fails the hi limit switch shuts the oven down when it gets too hot. On the back of your range there should be a tech sheet in a pouch. It will have resistance values for your temp probe.
I have a similar problem with an Indesit oven. There are two thermostats one controlling the oven temperature which i think you have replaced and another over-temperature stat to prevent the oven getting to hot should the temp stat fail to control the temperature. The over- temperature stat could be operating to quickly and this cuts power to the the digital display, oven light, temp light and circulating fan. I am going to replace this over-temp stat
HI. the oven temp sensor is malfunctioning. have it inspected for damage. check the wires leading from the control to the sensor for cuts and damage as well. replace the sensor if these issues with heating persist.
Sounds like your freezer has a bad defrost thermostat ( bimetal ) or bad #4 and/or #5 thermistor . This bimetal , has a high temp rating of 140 degrees , which means , when it gets to 140 behind the panel , it will cut off the defrost heater , to keep ice and food from thawing . The thermistors , tell the main control board the temps , and it decides when to restart the cooling process . I would check the thermistors by the digital controls , in the test mode , or have a technician check them for you .