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Where to get infinite switch inf 553-14 - Ovens

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We have a Bosch ceramic hob model no 9000329649, cooking with rear 2 rings yesterday. They will not switch on, front 2 are OK. Grill and oven fine.


check them with a meter and check the infinite switch's also

Surface burners
are typically either a coil type, solid type or a ribbon coil as used in smooth top ranges. All of these consist of a heating wire that uses electric current to produce heat. Coil type elements can be checked for continuity by removing them from the terminal block and testing them with a multi-meter.

You should also inspect the terminal ends for signs of heat damage or corrosion, and if present, you should replace the terminal block or receptacle at the same time. You will need to remove power from the range to change the terminal block. Solid elements and smooth top elements require raising or removing the main top to gain access. You will need to remove power from the range before lifting the main top. Continuity can then be checked with a multi-meter, once you have removed the wires from the element terminals.

The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
1.If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons. (Locate the suspect switch for testing. Label all wires and terminals before disconnecting. A close up digital photo may be helpful.
2.On the burner control switch the terminal labeled "P" leads to the burner indicator light. The terminals labeled "H1" and "H2" lead to the burner element and the terminals labeled "L1" and "L2" (sometimes "N1" and "N2") are the power supply wires.
3.Set your multimeter to ohms setting x1. Turn the burner control to the highest temperature setting. Place one probe on pin "L1" and the second probe on pin "H1". The resistance measurement should be very low, zero to twenty ohms. If the test shows high or infinite resistance, the burner switch is defective.
4.Repeat the step above for the terminals "L2" and "H2".
5.If the control passes that test, turn the temperature setting to about the middle of the range and repeat the previous two steps. This will test for an intermittent problem with the switch. If the test does not show continuity with very low resistance, the switch should be replaced.
6.With the switch turned to the "Off" position, the resistance on each of the pairs of terminals tested above should now show no continuity or a reading of infinite resistance.
7.A test for continuity between "P" and "L1" when the burner control switch is on should show continuity. The light should be on whenever the control is turned on. If your test shows continuity, but the light does not operate, it is likely the bulb has failed.
If the burner switch shows high or infinite resistance, the switch is not passing along current to the burner and so the switch should be replaced. )

Jan 10, 2017 | Bosch Ovens

1 Answer

MEW 7627A double ovens keep cutting out with a click and then turns itself back on again. The control panel has been replaced and it is still doing the same thing


Hello Sheryl;

My name is Peter. I am a retired field service appliance technician.

If your unit is new it should still be under warrantee for one year.

Who replaced the control board was it a service company? You should have a 90 day warrantee on the work, which did not work.

Anyway, you may have a bad; "Infinite Switch".
An infinite switch allows the user to set the heat from low to high and everywhere in between, hence the name "Infinite." This switch differs from a "Low-Medium-High" switch, which provides only three heat settings. The infinite switch uses a bimetal switch and physically moves through the process of heating and cooling, causing the main switch contacts to open and close and controlling the power applied to the heating elements.Typically, when an infinite switch malfunctions, the surface element will not heat, or it will remain on high in every position.
  1. Before repairs or testing can begin, you must disconnect the electricity at the fuse panel, at the circuit breaker panel, or by pulling the plug. Make sure the power is off before proceeding. A jolt from 220 volts can be fatal, use caution!.
  2. Next, depending on your appliance type/model, access the infinite switch using one of the following methods:
    1. For most standard models, remove the back panel.
    2. On models with front-mounted controls, the panel is attached with screws on both ends. Remove the screws and tilt the control panel, being careful not to let the wires disengage from the components.
    3. For models with a removable backsplash, simply lift the backsplash, rest it on the cooktop and remove the screws to access the components.
    4. If you are working on an eye-level range or wall oven, remove the control panel by opening the door and removing the screws that secure it. The screws may be located under the front of the exhaust hood or below the control panel. If the control panel is hinged, tilt the control panel towards you.
    5. Some models will require that you remove the rear panel and front panel before work can begin.
    6. If the front control panel is glass, remove the screws securing the trim that holds the glass in place.

Test for continuity between the switch contacts:
  1. Remove all wires from the switch terminals. (Remember to label them!)
  2. Set the infinite switch on high and place your ohmmeter on the L2, H2, P and H1 terminals to check for continuity.
    1. If there is no continuity between L1 and H1 or between L2 and H2, the infinite switch is defective.
    2. If there is no continuity between P and H1, the indicator light circuit is defective.
  3. Remove the infinite switch by removing the screws or nuts that hold it in place and install a new infinite switch by following the disassembly instructions in reverse order. Be sure to follow the wiring diagram and install the wires to the correct terminals.

REMEMBER YOU ARE

Feb 16, 2015 | Ovens Ovens

1 Answer

Two of my Hotpoint EW95 Halogen Double Oven elements have lost temperature control. When switched on they go to full heat and stay there regardless of setting on dial. What is wrong?


change switch if there is no control if talking cook top elements
Infinite switch burner control need model number in full for quote

Nov 18, 2014 | Hotpoint Ovens

1 Answer

Small back elements only work on high settings


The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons.

Most modern ovens use an electronic control board
to control the oven functions. These models will use the control board to operate the oven safety valve on a gas range or oven, and the bake and broil elements on an electric range or oven. If there is no power to the igniter circuit, or the element circuits, then you should check the control board to verify that there is power at the appropriate output relay. These are live voltage checks and should be performed by qualified persons only. If there is no output voltage then the control should be replaced.

The oven safety valve
(also called the gas valve) is the part that ensures that gas is not released until the igniter has reached the correct temperature needed to ignite the gas. While this part can fail, it is uncommon. If the hot surface igniter does not glow you should first verify that you have voltage to the circuit. This is a live voltage check and should be performed by a qualified person. If voltage is lost at the valve terminals then you should verify the continuity of the bi-metal in the valve using a multi-meter.

Apr 11, 2014 | Kenmore 40494 / 40495 / 40499 Electric...

1 Answer

Direct spark ignition wont fire on bake or broil


Surface burners
are typically either a coil type, solid type or a ribbon coil as used in smooth top ranges. All of these consist of a heating wire that uses electric current to produce heat. Coil type elements can be checked for continuity by removing them from the terminal block and testing them with a multi-meter.

You should also inspect the terminal ends for signs of heat damage or corrosion, and if present, you should replace the terminal block or receptacle at the same time. You will need to remove power from the range to change the terminal block. Solid elements and smooth top elements require raising or removing the main top to gain access. You will need to remove power from the range before lifting the main top. Continuity can then be checked with a multi-meter, once you have removed the wires from the element terminals.

On modern electronic control ranges, the oven temperature sensor
is the part that regulates the oven temperature. If it is not working properly it could be the reason why the range or oven won't start. This part can be found inside the oven on the rear wall near the top. Most modern ovens will display a fault code if the oven sensor is at fault. If you think the sensor may be the issue you can check the resistance with a multi-meter but will need to know the correct resistance of the sensor at room temperature. Remove power from the appliance before performing this test.

The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons.

Most modern ovens use an electronic control board
to control the oven functions. These models will use the control board to operate the oven safety valve on a gas range or oven, and the bake and broil elements on an electric range or oven. If there is no power to the igniter circuit, or the element circuits, then you should check the control board to verify that there is power at the appropriate output relay. These are live voltage checks and should be performed by qualified persons only. If there is no output voltage then the control should be replaced.

The oven safety valve
(also called the gas valve) is the part that ensures that gas is not released until the igniter has reached the correct temperature needed to ignite the gas. While this part can fail, it is uncommon. If the hot surface igniter does not glow you should first verify that you have voltage to the circuit. This is a live voltage check and should be performed by a qualified person. If voltage is lost at the valve terminals then you should verify the continuity of the bi-metal in the valve using a multi-meter.

The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons.

Apr 05, 2014 | Kenmore 40494 / 40495 / 40499 Electric...

1 Answer

MODEL WFG231LVQ0 OVEN AND BROILER WONT LITE BURNERS WORK


are you sure about that being the reason. I would check the infinite switch's

Surface burners
are typically either a coil type, solid type or a ribbon coil as used in smooth top ranges. All of these consist of a heating wire that uses electric current to produce heat. Coil type elements can be checked for continuity by removing them from the terminal block and testing them with a multi-meter.

You should also inspect the terminal ends for signs of heat damage or corrosion, and if present, you should replace the terminal block or receptacle at the same time. You will need to remove power from the range to change the terminal block. Solid elements and smooth top elements require raising or removing the main top to gain access. You will need to remove power from the range before lifting the main top. Continuity can then be checked with a multi-meter, once you have removed the wires from the element terminals.

On modern electronic control ranges, the oven temperature sensor
is the part that regulates the oven temperature. If it is not working properly it could be the reason why the range or oven won't start. This part can be found inside the oven on the rear wall near the top. Most modern ovens will display a fault code if the oven sensor is at fault. If you think the sensor may be the issue you can check the resistance with a multi-meter but will need to know the correct resistance of the sensor at room temperature. Remove power from the appliance before performing this test.

The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
1.If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons. (Locate the suspect switch for testing. Label all wires and terminals before disconnecting. A close up digital photo may be helpful.
2.On the burner control switch the terminal labeled "P" leads to the burner indicator light. The terminals labeled "H1" and "H2" lead to the burner element and the terminals labeled "L1" and "L2" (sometimes "N1" and "N2") are the power supply wires.
3.Set your multimeter to ohms setting x1. Turn the burner control to the highest temperature setting. Place one probe on pin "L1" and the second probe on pin "H1". The resistance measurement should be very low, zero to twenty ohms. If the test shows high or infinite resistance, the burner switch is defective.
4.Repeat the step above for the terminals "L2" and "H2".
5.If the control passes that test, turn the temperature setting to about the middle of the range and repeat the previous two steps. This will test for an intermittent problem with the switch. If the test does not show continuity with very low resistance, the switch should be replaced.
6.With the switch turned to the "Off" position, the resistance on each of the pairs of terminals tested above should now show no continuity or a reading of infinite resistance.
7.A test for continuity between "P" and "L1" when the burner control switch is on should show continuity. The light should be on whenever the control is turned on. If your test shows continuity, but the light does not operate, it is likely the bulb has failed.
If the burner switch shows high or infinite resistance, the switch is not passing along current to the burner and so the switch should be replaced. )

Most modern ovens use an electronic control board
to control the oven functions. These models will use the control board to operate the oven safety valve on a gas range or oven, and the bake and broil elements on an electric range or oven. If there is no power to the igniter circuit, or the element circuits, then you should check the control board to verify that there is power at the appropriate output relay. These are live voltage checks and should be performed by qualified persons only. If there is no output voltage then the control should be replaced.

ELECTRIC OVENS:

CHECK THE OVEN RELAY CONTROL BOARD Aclicking sound could be something wrong with a relay. Check for any loose connections around the main control board on your oven. The click you hear is a relay losing power and switching back on. If the clock resets then something is causing power interruptions to the board.

Sep 06, 2013 | Whirlpool 30" Self-Cleaning Freestanding...

1 Answer

I have an Kenmore stove oven. It is a glass top stove that I bought in 2002. The front right element won't shut off.


This is usually the infinite switch has failed. They are easy to check and inexpensive. Here is a video that will walk you thru testing an infinite switch. It may be a different model but the testing will be the same. You can also enter your model # for diagrams and illustrations for your specific model. Not all models are available. All parts come with installation instructions.

Feb 05, 2011 | Kenmore Ovens

1 Answer

Will nor boil water in less than 30 minutes. Burner keeps going off and back on


This is usually the burner or the receptacle. Here is a video that will walk you thru testing and replacing a burner and receptacle. They are both inexpensive and easy to replace. It may be a different model but the testing will be the same.

Or it could be the infinite switch has failed. They are easy to check and inexpensive. Here is a video that will walk you thru testing an infinite switch. It may be a different model but the testing will be the same. You can also enter your model # for diagrams and illustrations for your specific model. Not all models are available. All parts come with installation instructions.

Sep 17, 2010 | Ovens

1 Answer

Kenmore electric stove with glass/cermanic top. Element on light indictor light stays on all the time even though no burners have been turned on for 5 hours. None of the burners are hot when you run your...


Tony, this sounds like you may need to have a new burner switch installed, it is called an infinite switch. If it is for the dual burner, make sure you tell the appliance parts store this so they can order you a dual infinite switch.

Nov 08, 2009 | Kenmore Ovens

1 Answer

The Oven won't heat up!


If the elements only works partially or not getting red hot at the "Hi" setting, the problem might be with a burned out receptacle that the elements plug into. If this is the case, replace both the elements and the receptacle.

You can usually tell when the element itself burns out. It might have small holes or bubbles on the coil. Replace the element, if found defective.


Another reason, why the elements will not start, might be a defective infinite switch (located behind the control panel, with the burner knob on its shaft). Replace the switch if found defective.

***If the elements check out ok and, the Infinite switch(if equipped) is in good condition, you will then need to replace the ERC(electronic range control). it has failed.

Jun 18, 2009 | Frigidaire 30" Self-Cleaning Freestanding...

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