I need book on MCM1290A -microwave. I do not know how to low temp while cooking

read the user manual for how to do it
defrosting in a microwave is actually low level intermittent cooking so read the book

My microwave will not heat up its in a defrost mode. How do I change it?

You have to kill the chicken first!!

Seriously what are you trying to do???, if it's cooking a whole chicken in a microwave, it is difficult to get a thorouh cooking because usually whole chickens are hollow in the middle, so you need to put stuffing in it to get a better performance as microwavs tend to heat in the middle of stuff, (air is hard to heat) try a stuffing with lots of moist (water) it will steam kook the chicken with a lot of flavour... remember to avoid stuffing that contains beens or seeds as they could explode inside the chicken and ruine a good supper... personally I prefer my chicken oven baked (all night at a low temp) I know I'm not GREEN by saying that I only use my microwave to quickly heat up left overs LOL!

I dont no how to perpare cake in bajaj micro wave oven20005etb

there are still thermal fuses inside. one is plastic covered placed beside the transformer.

Whirlpool MH1150XM-series models do not have convection cooking.

Probably a bad door switch. See this file.

Hi, if you hit the Power button repeatedly, it will drop the power by 10% increments.

Hi I guess you are cooking usng the combination setting? if so The cake will be hard due to increased microwave energy, I would suggest reducing the microwave energy on the Samsung unit when using the combination setting.

Hope this helps

check the door switches ... they are probably burned preventing preventing the machine from knowing the door is closed.