Error codes for Mercury Appliances Cooker & Oven

Please do take care to read the information thoroughly as it is there to help you understand fault codes and to keep you safe. There are also some help, tips and hints with a lot of the fault codes published here that you usually will not find anywhere else and, as we learn, we add more information so if you can't find what you need please ask in the forums.

Before using this section please understand that fault or error codes are used as a diagnostic aid, they are not a replacement for diagnostic skill on the part of the person repairing the product and are not in any way usually going to point to the precise component that is faulty. All they do is give you an idea of where to start looking for the fault.

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Hotplate ignition or cooktop burners faulty

Issue:
Is the power on? Are the sparker (ignition electrode) or burner holes blocked by debris? Are the burner heads correctly located? See the section entitled ‘Cleaning’.
Advice:
Remember that each cooktop burner has a special safety device that stops the flow of gas if the flame goes out. When lighting a cooktop burner the safety device has to be overridden by holding in the control knob so that the gas can flow. This allows the flame sensor to heat up and operate the safety device. Keep holding the knob pressed in to let the gas through to the burner for few seconds. The igniter should spark and light the gas. If, when you let go of the control knob, the burner goes out, the safety device has not held in. Turn the control to the off position and wait one minute, then try again this time holding in the control knob for slightly longer.

Hotplate burners will not light

Issue:
If only one or all the cooktop burners will not light, make sure that the parts have been replaced correctly after wiping or removing for cleaning.
Advice:
Check that there is not a problem with your gas supply. You can do this by making sure that other gas appliances you may have are working. Do the burners spark when you push in the control knob? If not check the power is on.

Steam is coming from the oven

Issue:
When cooking foods with a high water content (e.g. oven chips) there may be some steam visible at the rear grille. Take care when opening the oven door, as there may be a momentary puff of steam when the oven door is opened. Stand well back and allow any steam to disperse.
Advice:

An oven fan is noisy

Issue:
The note of the oven fan may change as the oven heats up – this is perfectly normal.
Advice:
We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

The fuse blows or the RCD trips regularly

Issue:
Please contact your installer or a qualified repair engineer.
Advice:
We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

The oven fan is noisy

Issue:
The sound of the oven fan may change as the oven heats up – this is perfectly normal.
Advice:
We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

The fascia gets hot when I use the oven or grill

Issue:
The cooker is cooled by a fan. If the fascia becomes excessively hot when the cooker is in use then the cooling fan may have failed.
Advice:
Should this occur please contact your installer, a qualified repair engineer or Customer Service to arrange for its repair.

The cooling fans

Issue:
The cooker incorporates cooling fans. The cooling fans are active when the cooker is in use. Under certain conditions, the cooling fans may remain active when the cooker is switched o. This is normal and the fans will switch off automatically.
Advice:

Food is cooking too slowly, too quickly, or burning

Issue:
Cooking times may differ from your previous oven. Check that you are using the recommended temperatures and shelf positions. See the oven cooking guide section of the instructions. The oven control settings and cooking times are intended to be used only as a guide. Individual tastes may require the temperature to be altered either way, to get the results you want. Try cooking at a higher or lower temperature setting.
Advice:

The oven is not cooking evenly

Issue:
If you are cooking a large item, be prepared to turn it round during cooking. If two shelves are used, check that space has been left for the heat to circulate. When a baking sheet is put into the oven, make sure it is placed centrally on the shelf. Check that the door seal is not damaged. A dish of water when placed on the shelf should be the same depth all over. (For example, if it is deeper at the back, then the back of the cooker should be raised up or the front lowered.) If the cooker is not level arrange for your supplier to level it for you.
Advice:
We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

Oven not coming on

Issue:
Is the power on? If not there may be something wrong with the power supply. Is the cooker supply on at the circuit breaker? Have you set a cooking function?
Advice:
We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

Oven temperature getting hotter as the cooker gets older

Issue:
If turning the knob down has not worked or only worked for a short time then you may need a new thermostat. This should be fitted by a service person
Advice:

E2

Error code E2 is displayed

Issue:
The electronic unit is too hot. Please check the installation of the cooker, making sure that there is sucient ventilation. In extreme cases, if a cooking utensil has been allowed to boil dry this error code may also be displayed.
Advice:
If in doubt please contact your installer or a qualified repair engineer. We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

No display operation

Issue:
Over voltage or loss of supply voltage to the cooker.
Advice:
If in doubt please contact your installer or a qualified repair engineer. We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

U400

Error code U400 is displayed

Issue:
The hob/range has been incorrectly connected. The control will switch off after approximately 1 second and the error code will be permanently displayed.
Advice:
Consult your installer or a qualified repair engineer. We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

Er

Error code Er followed by a number is displayed

Issue:
The appliance has developed an internal technical fault that cannot be rectified by the user.
Advice:
Consult your installer or a qualified repair engineer. We offer fixed price Mercury Range Cookers Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.

Arrange a visit from an Appliance engineer

If you do need an engineer to visit your home, help is at hand. We’ll arrange for an engineer near you to call in and fix your appliance, at a time that’s suitable for you.

Book online or give us a call on 0208 226 3633

London Only - Coverage Area | ( Monday - Friday: 8:00 - 20:00 / Saturday: 09:00 - 18:00 )

Warning! To avoid personal injury or death, always unplug the appliance or disconnect the power before attempting any repairs. Always turn off the gas at the source before repairing any gas appliance. Always wear safety glasses when using tools. Keep loose clothing and hair away from any moving parts. Safety is of major importance when performing any service or repair on any electrical appliance. Please, read our disclaimer before proceeding.

Additional Info

  • Product Types: Cooker
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