Question about Ovens
Cooling fan did not come on when i started the oven. it got to temp then i turned it off. that was about 5 minutes ago. now the fan just came on. should i not use the oven?
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Posted on Jan 02, 2017
Our HBN655 had similar issues- the upper cooling fan would cycle on and off on a relatively quick duty cycle until the whole mess cooled off enough and it shut off.
My workaround is to turn the temperature dial off but leave the oven function dial on to BAKE. This seems to force the fan to stay on; then we shut it off a while later and avoid the annoying fan cycling.
(note- 2 years ago, our fan became intermittent, varying speed, etc... for about 2 months before it quit entirely. When that happened, the oven started to heat then the thermal cutout kicked in and the oven shut down entirely. We ended up replacing the fan and that fixed the bug... except now it's starting to act up again...)
(also note- the racks on this beast have a faulty design. if you have a heavy casserole and slide the rack out all the way, it tends push the sidewalls apart and the rack drops. I spoke with Bosch about this and they sent me new racks, no charge... so they know there's a problem. But the new racks don't fix the bug; they just make it harder to reproduce. I have actually had one rack fall with 2 piping hot casseroles on it. Fortunately no one was hurt.)
Posted on Nov 04, 2007
SOURCE: Bosch oven not heating to temp
i recommend u to try the following routine to sort out this problem
hope u find this useful. thank you.
Posted on Jul 09, 2008
The "F2" means the oven control senses runaway temperature.
The cause of the problem could be the oven sensor, the oven sensor wire harness or the power relay board.
PS:please disconnect your oven from power supply completely before continuing.
Open the control panel and measure the oven sensor resistance at the control board. It suppose to be about 1100 Ohms at the room temperature.
If the reading is wrong do the same test at the oven sensor connection (where the sensor wires goes through the back panel).
If the reading is still wrong - replace the oven sensor.
If the reading is correct, check the wire harness and the connector itself (it's better to eliminate the plastic plug and hardwire the oven sensor).
If there is nothing wrong then the power relay board has to be replaced.
Posted on Nov 07, 2008
If it is fan assisted then check the fan element, it is located behind a panel at the rear of the oven compartment.
Plz rate my\solution.
Posted on Dec 17, 2008
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