Question about Cuisinart TOB-30 Toaster Oven with Convection Cooking
The toaster oven broiler is about 2 years old and since about 2 months each morning when we want to use it in the Toast postion and press the start buton it automatically goes to stop and does not work. We do not know how to fix this up?
The contacts for these toasters fail. The plasic cam that depresses the contacts also can melt. The design is poor and no replacement parts are available. When selecting a setting, if the selection is not exactly perfect, the contacts arc and eventually fail. Unless cuisinart changes the selection cam to a solid state or relay, this failure will continue to happen during normal use. If your unit works properly do not switch the function setting while heating, this will cause the contacts to arc and erode the contact surface. This posting is applicable to the TOB-30BC, TOB-30BCC and probably all TOB-30XXX models.
Posted on Apr 07, 2008
While the contacts on the cam do get dirty from the arcing that is not the main reason these units have all been failing with the same problem. The "toast" problem is caused by bad capacitors on the 2 small circuit boards inside. The reason the toast function fails and the rest of the oven works is because the toast function has a seperate set of electronic circuits for the timer and heating elements. If you change out the 4 electrolytic capacitors this will fix the problems. There are three 220uf 16V and one 1uf 50V. I would change out the 220uf with at least a 25V since this is activating the 12v relay circuit.
Before changing these out the Toast function would buzz when selected, it should not...this means the heating elements are on, though just barely. Next, the unit would just go out or stop working when you press the Start button....and lastly the timer stopped beeping. After replacement all functions returned to normal. My guess is that the heat from the unit (and a current limit resistor on the circuit board) simply dries these caps out and they fail.
Posted on Mar 02, 2011
The best solution based upon the dates of the post are that it has a 3 year warranty.
Posted on Dec 01, 2008
I have the same problem. It is due to a bad relay switch in the toaster. I have found that for now, my toaster will work if I leave it on the "TOAST" function rather than "OFF" overnight. I think it lets some current or voltage hit the relay and encourages it to work.
I will try to replace the relay and post a "how to" on that when it is done.
May all of your toasting be succesful.
Posted on Jan 21, 2008
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Posted on Jan 02, 2017
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