Duraflame heater. Flame turns on, but why is there no warm air?

Question edited for clarity and translated into written English :>D
Question recategorized from Laundry Dryers to a Duraflame one.

It could be the blower.
It could be the thermostat.
It could be the element.

It needs testing by an appliance electrician. If you have a multimeter and the skill, you could do preliminary testing yourself.

Also, they make many models of heater. You could Google

Duraflame (model) no heat no fan.

'Dura Flame' all one word, I corrected that too.

Display shows "E3" Manual Reset overheat protection has triggered. Inspect the heater and check that the air inlets and outlets are not blocked as this may cause overheating. Unplug the heater for 5 minutes and allow it to cool down

it blows cold air because the flame hasnt ignited. You are having an ignition problem due to either an unsatisfied pressure swith and a burned igniter. Have a look in the burner ports for the entire cycle and look to see if you can see e bright orange glow. if you dont see it, check your venting for blockage and also maybe the condensate drain tube for blockage

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Change the light bulb.

When it is switched off try spraying WD40 around end of spindles. Try heater again after about an hour.

Sounds like something in the control module. I have 2. One bought used about a year old. Lasted about 3 months and something in the control module or panel died so would not light or power up. I hard wired the blower and Infrared bulbs to manual switches so I can manually turn on and off heat. Have separate switches so can leave the fan blowing after turning off the elements to allow them to cool. The other heater was bought new and laster about a year and a half. Then the thermostat reading worked and fan worked cycling as should but elements would not light. Did a factory reset holding power button while plugging in. That fixed it for a day then back to same. took back off and while trying to trouble shoot voltages on the power supply module the elements started working again. Not sure what the issue but seems to be a definite issue with short lived control modules. To date have not found a resource to buy new control boards or other replacement parts besides bulbs which with the fans seem to be the most durable part of the whole heater.

try cleaning off the filter that is on the bottom in the back of the unit. It is a fail safe sensor that in the event the unot overheats it shuts off the heater. Worked for me on mine.

EE 2 can be caused by a couple of things but is usually a fuel issue or a flame rod problem. The circulation fan will not come on until the burner has warmed up. The combustion blower should start almost as soon as you turn the heater on. Turn the heater on and listen for the combustion blower. If it doesn\'t start, do you get an error code? If the blower started wait for the fuel pump to come on. It will start when the burner lights come on. If the fuel pump makes a loud ticking or thumping sound, it isn\'t getting any fuel. Check the fuel filter and the strainer in the fuel sump. Make sure the valve is turned off at the barrel before removing the fuel strainer. If the fuel pump is working normally, does the heater light up. If it doesn\'t, check the igniter. You can check that first if you want and have a clamp on ammeter. Place it around one of the igniter leads and you should read 2 to 4 amps when you turn the heater on. If the heater does light but then cuts off after about a minute, clean the flame rod. Unplug the heater before removing the flame rod because it may kill the circuit board if the heater is plugged in and the flame rod touches ground. Let me know what you find.

Is this furnace standing pilot or electronic? if standing pilot turn power off then take t-stat off wall and connect the wires labeled r and c together and see if that keeps furnace working. If electronic check flame sensor you can check flame sensor buy cleaning with steel wool. if that doesn't work then try t-sat.