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Repairing Ovens and Cookers  


Same Day Repair in Liverpool, Merseyside - Call 0151 286 6667Most electric ovens nowadays are Fan ovens and seem to be popular because they are inexpensive to buy, easy and cheap to repair, simple to use, energy efficient and most of all, they are easy to control. 


They come in a variety of forms: As a single slot in oven, as parts of a double slot in an oven and a free standing oven or range oven. 


 Fan Ovens usually have a circular element, with two or three rings or turns with a fan in the centre of the circle of the element. The spinning fan blades push air directly over the element and out into the oven dispersing the heat evenly around the oven in a continuous air flow through and over the element, making a fast and efficient use of the heat and keeping the whole oven cavity at an even temperature that makes for easy and precise thermostatic control. 


Most single fan ovens are not hardwired and are easily removed.  Most are on a 13amp plug, which means they are below 3120watts in total - not much more than a electrical kettle (hence their efficiency).  


Twin cavity fan ovens and slot in cookers are usually wired directly to a 45amp double poll isolator.    


The most common fault on a fan oven is the failure of the fan element. Spare elements for most fan ovens are readily available and easy to replace in most ovens and cookers. Here are the parts that we are most asked for in a typical slot in Fan Oven.   


Fan element. Grill element. Fan motor. 


There are others that fail  - like the thermostat, timer, heat control etc. However the element is far and away the most common part that is ordered.   


Below is the list of spare parts used by one Cooker or \oven engineer in one week in order of quantity. 


Stock Item Spares. 


Part # 6224745 Hotpoint fan element  (original parts)   (9) 


Part # ele 9028 belling fan element     (4) 


Part # ele c0084399 Indesit fan element    (4) 


Part # ele4001 tricity bendix fan oven element.  (3) 


Part  # ELE6336 ELEMENT FAN OVEN ZANUSSI 2500W   (2) 


Part  #QUALP04  ele3340   oven bulb 15w lamp    (11) 


Part # cs24  HOTPLATE SOLID 2000W RED 180MM 8MM RIM    (2) 



Part #  cs23 HOTPLATE 1.5KW 145MM RAPID RED    (2) 


Part # c00145486    Thermostat  Hotpoint (Universal)  (2) 


Part  # CS02      RADIANT RING 7 INCH 1800W   (1) 


Part # CS01     RADIANT RING 6 INCH 1100W      (1) 


Most cooker and oven engineers like to work on single fan ovens because they are easy to diagnose and repair. 


Below is the most common oven repair performed by an oven engineer. 


An engineer would first of all, ask the customer what fault they were experiencing.  The engineer would disconnect the appliance from the power supply and the engineers would as a matter or course Perform earth leakage/low insulation test. 


If the customer reported that oven was  not heating he would then select the oven setting adjust variable thermostat to low temperature and observe if the fan is running and any heat is generated. If no heat is detected and the fan is operating, Diagnose pos element failure, depending on the make and model of oven. 


The engineer would follow the element removal procedure and test element to confirm failure, then begin new element fitting procedure set our for that make and model. After fitting he would safety test, and re-fit the oven. 


Fan assisted ovens are not the same as fan ovens. Fan assisted ovens usually have a base element or side elements and a fan that circulates the heat around the oven. Fan assisted ovens are not as efficient as Fan ovens and are usually not as energy efficient. 


The most common failure on this type of appliance is again the element. 

The engineer would perform the same test as with fan oven, fan assisted ovens usually have top and bottom elements. 


The engineer would circuit test both elements to ascertain which had failed and then would replace the failed element with a new element according to its particular manufacturers fitting procedure. 


Some older types of electric cookers and ovens do not have a fan - they are convection ovens and rely on the elements heating the oven cavity by convection, which usually means that the bottom part of the oven is not quite as hot as the top part.  


Convection ovens usually have the elements left and right of the oven cavity and very often, the spare elements can be difficult to acquire.  However we stock the majority of these on cookers up to 25 years old. The test and fitting procedure is the same as Fan assisted ovens.  


Oven tops (even though they are part of the cooker) are usually known as the hob. Some are Glass topped with the electrical element underneath. These are known as ceramic hobs. There are two other types of oven top (hob) Solid plate type element sometimes known as hotplates and then there is the spiral element. There are two common sizes of hotplate element and spiral element. 6 inch  145mm and & 7 inch 180mm. There is also a duel circuit spiral elements. 


Most cooker engineers find the replacement of Spiral type hob rings the easiest of repairs using  Spare Part # cs01 or Part # cs02 


The following is how a cooker engineer would fit a new spiral hob element. 


Isolate appliance from power supply. Perform earth leakage/low insulation test.  Lift hinged hob top and secure in upright position. 

Remove metal guard to reveal wiring. Remove wiring to pos failed element. Circuit test element, if failed , replace with part # cs01 or part # cs021 or part  # cs03. Re-fit wiring guard . Lower hob top back into position. Perform Insulation test to ascertain that no wiring has been trapped under top. 


The following is how a cooker engineer would fit a new solid hob element. 


 These are the most difficult of all hob rings to fit (dependent on make and model). On some makes of cooker the sides and back of the appliance have to be removed to gain access to hob top. However on other makes that are simpler to work on, the procedure is as follows. 


Isolate appliance from power supply. Perform earth leakage/low insulation test. After detaching hob from cooker chassis lift hob and turn over to reveal securing points for solid elements. Remove wiring from suspect hotplate and circuit test. If failed unsecured hotplate by undoing the central nut securing hotplate to hob top. Replace with new plate spare part # cs23 or  part # cs24. Re-connect wiring and Re-Fit hob top to cooker chassis.  Perform Insulation test to ascertain if any wires trapped between chassis and top. Heat test. 


Ceramic Hobs are one of the most expensive to repair because the halogen type elements can be expensive, depending on make and model.  


The following is how a cooker engineer would fit a new ceramic hob 

Element when the hob is part of the cooker. 


Isolate appliance from power supply. Perform earth leakage/low insulation test. Remove hob top and glass top in accordance with our instructions set out for each different  manufactures models. Turn hob  frame over and remove element from frame and examine be sight looking for and brakes in coils of element, usually visible, If brake detected replace element. Re-assemble hob top and Re-attach to cooker body. Insulation  test to ascertain if any wires trapped between chassis and top. Heat test. 


Grill Elements 


The replacement of grill elements on the older type of cooker dependent on model can be simple or complex. 


The following is how a cooker engineer would fit a new grill element to the simpler model cooker or oven is as follows. 


Isolate appliance from power supply. Perform earth leakage/low insulation test. Turn on grill test for control operation, visually examine element  be sight looking for distortions in element, usually visible, if obvious remove element and disconnect wires, Circuit test element, and replace part if failed, reconnecting wiring when fitting. Earth leakage test. Heat test. 


Grill elements on fans are fitted in a similar manner. However some fan ovens grill elements can only be accessed from the rear which means removing Oven from the housing. 


Unlike Hob elements, all manufactures have different grill elements for their cookers and ovens and mostly different elements for different models of their cookers and ovens. 


Please note we except no liability for the information given above and we only recommend that repairs are carried out by a fully qualified engineer from MDA Spares.