Appliance tip of the week...

Oven Self Cleaning Problem
The part(s) or condition(s) listed below for the symptom Oven self cleaning problem are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
Door Lock Motor and Switch Assembly
For an oven self cleaning problem, the first thing to check is the door lock motor and switch assembly. Every self cleaning oven door has a locking mechanism to prevent the door from being opened during the cleaning cycle. An oven self cleaning problem often happens after a clean cycle has been run. If that happens, help may be needed to help figure out how to repair or replace the door lock motor and switch assembly because often the door is locked in the closed position. Manufacturers normally design the lock mechanism so that the door can be opened by removing certain screws or panels.
Temperature Control Thermostat
If there is an oven self cleaning problem the cause is often a defective oven thermostat. The oven thermostat regulates the self cleaning temperature and also provides the electrical current necessary to power the heating circuit. It is fairly common for the oven thermostat to work properly for baking and broiling but not for cleaning. The oven thermostat can't be tested easily, and if it's defective it will need to be replaced.
Oven Control Board
The oven control board has a set of relays that turn on and off power to the bake and broil circuits according to the customer settings and sensor input. An oven self-cleaning problem is sometimes caused by one of the heating components. However, if the oven control board is bad, it might not send voltage to the heating components. To determine what is causing the oven self-cleaning problem, first test the simpler components in the circuit. The oven control board usually can't be tested and will have to be replaced if it is defective.
Thermal Fuse
Although not as common, with an oven self cleaning problem the thermal fuse may have blown. The thermal fuse is designed to protect the appliance and help to prevent a fire. If the oven gets too hot, this fuse trips. The thermal fuse is not resettable and will have to be replaced. It can be checked for continuity. If it has continuity, it's OK.
Door Switch
Although it is not common, with an oven self cleaning problem the door switch might be defective. The oven door has to be closed in order for the self cleaning cycle to begin and the door switch is often part of the circuit. For an oven self cleaning problem, first check the other, more likely components. If they check out, the door switch can be checked for continuity with an Ohm meter.
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