When I select temperature in either oven, a fan comes on with cold air out of the top of the door - is that normal? It stays on throughout the whole process.
It takes 35 minutes for the large oven to heat to 225, and 25 minutes to heat the smaller oven to 225. The times seem excessive, so what could be wrong. Once I open the doors to tend to food the temp drops quickly and takes ages to warm up again.
The stove is new, so I'm assuming we're experiencing teething problems - or a difficulty in understanding instructions!
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Normally I would expect the user manual to cover this unusual behavior, but sometimes they don't. Most new ranges have a considerable amount of electronics controlling things like temperature etc. These controls used to be mechanical, and not so sensitive to heat. This likely is normal operation, and that the fan is blowing cold air in order keep the electronics cool, and to extend the life of the components -just like a computer.
That sounds a bit unusual.... Does the fan come on when you turn on the oven on bake? How about on broil? How about on self-clean. If it comes on in all those settings, then it may be working as designed. If NOT, they there may be a crossed wire, or you may have a malfunctioning control.
cold air from the fan forced element area in the oven? or from the air vent just above the door? if its from the air vent then this is normal if your oven senses the outside cabinet is getting to hot it will bring on the fan and if its still to hot after u turn it off the fan will continue as its circuit doesnt run through the control knobbs meaning it wont turn off with the oven its controlled via a overload thermostat so the fan will remain on til it gets within its acceptable temp range and the thermostat will cut power to the fan, if it remains on for hours and hours or even days you will be looking at a new thermostat (cheap as dirt like only a few bucks) or worst case a controller
F2 Oven over temp - exceeded 590F with door in unlocked position or 990F with door locked - If actual temp condition occurred, look for welded relay contacts or high resistance connection or any cause in the oven temperature sensor circuit
F2 Note: Also see fan thermal switches - Indicates that oven is over temperature in one of the following modes within either a cooking or clean mode of operation. · Control senses oven temperature above 650 degrees F with the door circuit in the unlock mode. · Control senses oven temperature above 935 degrees F with the door in the locked mode. · Stalled cooling fan or airflow problem.
· Look for welded relay contacts. (Heating elements on in off mode). · Look for open thermal switch in lock motor circuit. Switch is normally closed and will open if area overheats due to fan not operating. Look for cause - fan thermal switch not closing, fan stalled, etc. · Look for high resistance in the oven temperature sensor circuit due to high contact resistance (poor terminal crimp, deformed terminals, loose connection) or intermittent solder joint on control or intermittent oven temperature sensor.
Normal operation. If in doubt place a high temp theromoter on range top to see if it exceeds 600-900 degrees
The basic idea is "burn baby, burn!"
Self-cleaning ovens use an approximately 900 degrees Fahrenheit (482 degrees
Celsius) temperature cycle to burn off spills leftover from baking, without the
use of any chemicals. A self-cleaning oven is designed with a mechanical
interlock (patented in 1982) to keep the oven door locked and closed during and
soon after the high-temperature cleaning cycle, which can be approximately three
hours. The door stays locked to prevent burn injuries. You can open the oven
door after the oven cools to approximately 600 F (315 C).
there is an overheat stat and this is operating and cutting out the oven. the causes are several but here are the main things to look for:
oven stat is faulty causing the oven to overheat. you should check over the range to see if stat is reasonably accurate.
overheat stat itself is faulty.
there is another stat which turns on the casing fan. (this is the fan which is out of sight - not the fan inside the oven) if this stat is faulty and not turning on the casing fan, then the overheat stat will operate.
the casing fan is faulty or jammed.
lack of ventilation.
see if you can narrow it down a bit and get back to me if you wish