Fan works on "on", shuts itselfoff on "auto",no heat either way,
No heat coming from the furnace, no burnt element smell (if there are elements)in the home . filter has been changed. the fan blows on "on" but shuts itself off when on "auto" after a few moments.can this be an easy fix if i do it myself,changing elements or unit ? is there a site that has how to instructions for free ?
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Dont really understand .Is it a furnace with electric heat ,if it is then Check to see if contactor or relay is stuck closed ,also you heating element should not get so hot there should be a limit switch to shut heater off .Maybe bad limit and bad relay .Your electric heat should shut off when fan shuts off
Furnace burner and heat element are not the same. I think the fan time delay, a sensor that turns the fan on when this sensor senses heat, is shot and needs replacing, for a furnace type heat ( gas heat)
Turn the blower to manual on at thermostat if you can.
Most electric furnaces have a overtemp switch to shut off the elements. If it is auto reset then it could be shutting off and you would not know it.
If its a manual reset it should shut everything down,
its possible that it is not sensing the plenum temp.
If you can trace your blower wires and it is multispeed,if you can see which wire is tied in with
the heat circuit, change it with another wire, it is
possible that you may have a burnt out speed on blower motor
fan oven element video.1, If the fan motor . in the
back of the oven is going round and the temperature light is on (normally
little red light), but there is no heat then you will probably need a new oven
element, these are generally very easy to fit and readily available from our
website these can be tested with a electric meter. To gain access to the element .you will
have to remove the back plate from inside the oven. Once removed you will see
the fan and element,. if you
look closely at the element .you will
probably see a small hole burnt in it where it has blown. Sometimes however
there is no evidence of a fault but the elementis open circuit ie:
broken inside the element casing, either way it will need replacing. Some
elements will are fixed from inside the oven and some are held in place by nuts
from the rear of the machine. 2, If your fan oven is getting warm but takes a very
long time to cook or is burning the food more on one side than the other, then
you need to check if your oven fan motoris working you will
see the blade turning fast if it is ok. if the element is heating but the fan motoris not blowing the heat into the oven then
you need To replace the oven fan motoris a little more
expensive and a bit more involved. 3. If you have the opposite problem ie: your oven is over heating
and burning everything then you will need to replace your oven thermostat 4, A quite common and easily overlooked answer is if your oven
is not working at all ie: no heat and no fan then the chances are that someone
has put the oven timerinto AUTO mode,
simply put oven back to MANUAL mode and all should be working again. For all Free appliance repair videos visit our VIDEO
Is there a setting on the thermostat for Auto or Fan? If so, make sure it is in the Auto setting. You will have a contactor that turns on the elements and a relay for the fan. Follow the wiring diagram to see which relay energizes the fan then unplug it to see if the fan stops.
unfamiliar with watt restrictors.
heat strips have 2 safety devices, a thermal overload, they get to hot they shut off, cause not enough air flow increase fan speed this device is auto reset. a fusible link a fail safe to thermal over load, no reset and sometimes replaceable. if this does not help would like to ask you a few questions. one of the buildings i take care of has 200 + reem/ ruuds all electric heat. if a part is defective replace, please do not by pass. safety frist.