Changing top oven & grill element

Quite normal...top element is for grill/broil only. Bottom element is for bake only. If the grill element were to come on during baking a cake it'd burn the top of your cake to a crisp.
Some grill/broil elements cook at 500-700 degrees.

check thermostat for open,,,otherwise change element

Probably heating element goes to ground when heating up. Suggest changing element.

how do i change grill element in top oven

The grill element should not 'blow' by just touching it - it should be earthed. The elements do gradually disintegrate over time & the inside wire element either fractures or touches the element casing causing the mains to trip. Sometimes this makes it trip just once & then stops working. Replace the element - not usually any fuse in circuit with this. Often held in by 2 screws adjacent to the element at back of oven and conections via Fast-ons- Rick

screw at top of element is for support.. there are either 2 screws at the rear of element bracket holding it or access to behind the rear panel is required as there are 2 nuts holding the grill bracket to rear cavity. please make sure power has been disengaged before attemt to repair..

you are correct mam when the thermostat is working for the grill and there is no heat the heating element will be defective and before changing this please check the connections of the heater.for the power supply.

I'm afraid this is quite normal- I have been repairing Simpson ovens for a long time, and unfortunately quality is not what it used to be (goes for most manufacturers-not just Simpson!!). Elements are not a moving part and don't "wear out" as such, how long they last depends on manufacturing quality and a bit of luck. An element in your oven is basically the same as a light bulb in your house- some last for a long time, others seem to never need changing. Look out- the element controller will need changing next- mark my words!!

Check that the solar plus grill element is working properly by selecting full grill, the whole element should heat up, if only half element heats up , then you need to fit a new grill element complete.
If the grill element is o/k , then it is possible the top oven base element is faulty, to check that is working, put top oven on and after a few minutews feel the base of the top oven, and it should be hot to the touch if it is not, then the base element has probably failed , and you will need to fit a new one.
These are the possible reasons for it to heat up slowly.

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Thanks.