Delonghi esf461st built in fan oven. No operating instructions. What does the middle knob do? It has 4 settings, one for the light one for the grill and 2 more, which must relate to the oven function. One has a picture of a fan the other has a fan with a circle around it, these are the two we are unsure about. Thanks for your help

Is there a fuse built in? Try Googling the manufacturer and asking for a schematic.

The instruction in which there is information about how the oven, grill or cooker operates is an unnecessary instruction for people who have such professions as a cook, chef, baker, but the instruction in which there is information about how the oven, grill or cooker operates is a necessary thing for people who do not have such a profession. Instructions in which there is information on how to use the oven, stove or grill is useful so that this oven, stove or grill is not broken. I advise you to buy grills in stores that are recommended on the site https://bestgrill.reviews/built-in-grills/, which makes a review on built in grills(grills that people built in kitchen furniture) and other types of grills - in order to buy a grill along with a large instruction that has a lot of useful information that is combined with use, repair and maintenance.

i believe after buying this oven that the left knob at turning clockwise position 1 is defrost which works by just blowing room temp air around, position 2 is oven on, position 3 is conventional grill must be used with door open and position 4 is fan grill can be used with door closed ,and the knob on the left is for setting oven temp and and turn fully round when using the grill to heat the grill

The 3 knobs each have 6 positions corresponding to clock-face positions 2,4,5,7,8,10 o'clock.

Left - Grill Temperature 1-6. (Note Oven Temp needs to also be turned on before grill will work.)

Centre - Function
1 - Lamp
2 - Defrost (fan only)
3 - Fan Assisted Oven
4 - Grill
5 - Grill with Fan
6 - Fan & Bottom Element

Right - Oven Temp 50,100,150,200,250,Max (celsius)

I have a paper copy of the manual - if you need to know anything more than the information below post a more specific question.

The function symbols on Knob F, clockwise from the top, are as follows:

• 0 = Off
• Lamp symbol = Lamp Only, no fan, no heating.
• Fan + Drip Symbol = Lamp + Fan, but no Heating - this is for defrosting.
• Fan inside a Circle symbol = Lamp + Fan + Oven Heating - this is the normal cooking position. The temperature of the oven is set on the Temperature Knob.
• Final position = Grill. The temperature of the Grill is set on the Grill knob.

The red indicator light only comes on when the Oven is heating (not the Grill), and goes off when the oven has reached it's set temperature.

The bulb is 25W 230V Type E-14 300 Degree C.

The oven draws a maximum of 2300W so requires a 10A supply.

First things first. The oven element is totally separate to the grill element. The clock has to have a time set for either the top or bottom oven to work, whereas the grill will work without the clock being set.
The control knob for the top oven is the ONLY control that will turn the top oven lights on, the grill does not turn the lights on. ( If you want to watch your toast, you have to turn the top oven switch on to the first setting as well as operating the grill control).
To prevent the grill being operated with the door shut, there is a micro-switch on the door hinge that allows the grill to operate ONLY when the door is down. The grill control also does not illuminate unless the door is down. There are two options on the grill control - right or left. One way is the inner element only and the other is both inner and outer ones.
So if you have done all that and it still doesn't work, then the micro-switch could be faulty.
Best of luck

Faulty switch. Replace!

You will probably find it is the grill element that is faulty, a common fault on your brand of oven, to be certain, you need a meter to test it.
Please rate my solution.
Thanks.

grill element is separate from oven element. i assume this is a fan oven. take rear panel off inside the oven and the oven element is exposed and you can often see the damage. toncheck properly, take the rear cover off outside the oven and terminals of the element are in view. check for continuity with a multimeter

User manuals are hard to find.
The problem I had was setting the clock on a single Diplomat oven, with no clock button. Here's my solution :

DIPLOMAT OVEN OPERATING INSTRUCTIONS
The Diplomat single oven is controlled by two knobs and a set of buttons along the middle of the control panel.
The left knob sets the temperature of the oven, while the right knob selects the function to be performed, e.g. fan oven, grill, etc.
The buttons along the middle set the cooker clock, the start and end times of cooking, and the “+” and “-“ buttons will increase or decrease the time shown on the cooker’s clock.
PLEASE NOTE THAT THE OVEN WILL NOT OPERATE UNTIL THE CLOCK IS SET.
If there is any interruption to the power supply (including manually switching off at the main switch) the oven will not operate until the clock is reset.
Here’s how to set the clock:
First press simultaneously the first two buttons to the left of the control panel. They are marked as a Bell symbol (Alarm) , and a steaming Cooking Pot (Start of Cooking Time). Then immediately press the plus “+” or minus “-“ buttons to increase or decrease the time displayed. When the desired time has been reached, leave it for a few seconds, and it will remain set at this time. Any further changes to the displayed time will require this procedure to be repeated.
Hope this helps!