20 Most Recent Bosch HBN 131560B / 131520 hot-air Electric Single Oven - Page 8 Questions & Answers

The only F04 error on a Bosch oven is with the Bosch 5000 Series wall oven. On this model, the problem is with the door latch. Unplug (or turn off at the circuit breaker) the oven. Turn it back on after a few seconds. When the power comes on, the oven should do a self-test of the lock mechanism. If the error persists, you'll need to do some diagnostics to determine if the lock is faulty. The problem could also be with the wiring or the control board didn't register the correct signal from the lock sensor. Please add a comment with the model number of the wall oven for more assistance and any possible parts lists. You may want to call for service if you aren't comfortable doing this work. You probably need to get the oven out of the wall cavity for some of the diagnostics. I hope this helps. Cindy Wells

Thermostat controls the temperature. It may need replacing.

stat problem stat that controls fan function is not openning telling control oven is still hot How Does An Electric Range Oven Work Appliance Repair

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. )

Hi Lisa, Try kitchen.manualsonline.com. that's the best I can suggest.