What does E11 means in samsung micro wave. it is not heating

SOURCE: micro wave is not working

don't know about the red light, but (fancy this) I had the same problem with my microwave tonight. Everything but heat worked. Unplug it, plug it back in. Worked for my GE Spacemaker.

SOURCE: boiling waer under micro wave lots of steam into

Q - The microwave display counts down and the inside light is on,  but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.
 Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....
Q - The microwave makes a loud "hum or buzz" noise but will not heat up the food?
A - 9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section.

SOURCE: micro wave wont heat up food.. i think its the

Replace the HV capacitor

SOURCE: Micro wave stopped heating. All other features

Check the door safety interlock switches. Magnatrons are pretty tough but the little switches are not.

SOURCE: micro wave will not heat has a picture of a little

Either the power board to supply the magnatron or the magnatron is defective.
Check or have someonr check the output of power supply. If ther is a hi reading, then change magnatron