Replacing the oven light to a DeLonghi ES1602W oven?

Defective door light switch.

If the owner's manual doesn't address it, it's not meant for the consumer to replace.

In that case, see my help files:
http://www.microwavecontrol.com/safety.htm
http://www.microwavecontrol.com/disassembly.htm

For more free DIY and other help & advice, feel free to contact me via my site.

Please include FULL model number*, FCC ID number*, + detailed symptom information. ( * on the tag in cooking cavity or around door frame or control frame or on back)

William E. Miller, AS-EET
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

If it goes out as soon the ignition stops the thermocouple needs replacing

Certainly not working right with those readings. I would replace it

Check this video it goes through checking and replacing magnetron, capacitor, diode and fuse. It will be one of those. Check the safety instructions in the description.

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Faulty switch. Replace!

if the temp indicator light comes on and/or oven fan circulates then its most likely the heating element. if neither then its thermostat or selector switch...

Cactus Bob Is WRONG. I've had these replaced; and then, when it happened subsequently, bought the part and replaced it myself. You have to take the entire thing apart. but it can be done.

I had the very same problem. I slid the oven out of the wall about 6" or so, unplugged it, plugged it back in. It worked. I'm not sure if I jostled some connection, or if unplugging/repluging it in reset some sort of circuit fault.