ZANUSSI ZDF 490 DOUBLE OVEN. RECENTLY CLEANED. WHEN I TURN ON THE TOP OVEN 9SELECTING EITHER GRILL OR OVEN AND THEN TEMPERATURE, IT TRIPS THE CONSUMER BOARD

When the main breaker trips it indicates current is escaping from the circuit to ground.
If it is a micro-circuit breaker that trips it indicates the circuit is consuming too much current - a short circuit.

Either way the wiring or the oven elements have a fault and need attention.

This tutorial will show you how to check your Zanussi element and how to replace your Zanussi cooker element.
Here are the 3 main faults to look for in your oven or cooker that is not heating

1. Your oven will not work until the clock/timer has been re-set after replacing an oven element or tripping the electrical supply. Consult your Zanussi manual.
2. If you're Oven is not getting hot or heating up it could be a faulty element, if the fan in the oven is running and the thermostat light is on, this will lead us to believe that the element has gone faulty. With grills the thermostat light should come on there should be heat, if not then this could be the grill element or the thermostat.
3. When you turn the oven on, the household electrical supply trips on the Rcd (this is the earth trip in the fuse board sometimes called the breaker tripping) your fan oven element has gone to earth and needs replacing.

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fan element

It sounds like a faulty thermostat, because when you turn the thermostat on it should supply the oven element and the neon light, so even if the element is faulty, the neon light should still come on regardless of the element working or not.
Hope this helps.

Sounds as if your oven heating element has failed. You need to fit a new one.

Usually you have to get the back off, disconnect the old element, remove the fixxing screws and element, fit new one, reconnect and it should be fixed. Don't forget to switch the power off before starting work.

sounds as if a wire to the fsd is shorting when oven turned on.

Hi, there's definitely a electrical problem.
First, use the bottom oven only for about 15 minutes and check if it doesn't trip.
Second, use just the grill (top oven) for about 15 minutes and check if it doesn't trip.
The reason is sometimes grill elements are corroded and only trip after a few minutes.
Also, if both ovens work ok on their own, then it could be your fuse box not strong enough, or the isolator switch fuse be only 13amp. If your oven is more than 3Kw (check the label on the door for info) then you need a 30amp fuse to hold when both ovens are on.
Cheers

From symptons, I would say the fan oven element is faulty, more so if the fan is working. Remove inner rear panel of oven and see if element gets warm, let it run for a minute, switch off and feel if element is warm, if not, then replace.the element.
Plz rate this solution.
Thanks.

Called Engineer in the end, Heating element needed replacing