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Panasonic SD-BT55p bread machine problems
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rsnidjik
Senior Member
rsnidjik
Joined: 23 Oct 2003
Posts: 74
Location: Dislocated
Expertise: I love coffee

Espresso: PID'd Silvia 230v, 110°...
Grinder: Baratza Vario
Vac Pot: nope
Drip: nope
Roaster: West Bend Poppery 1500W; am...
Posted Sat Mar 30, 2013, 1:38pm
Subject: Panasonic SD-BT55p bread machine problems
 

(I'm wanting to disable the thermostat in a Panasonic SD-BT55p bread machine so that it doesn't cut off after I blast it with my heat gun for about 2 minutes.

I've established that, under normal conditions, the long spin cycle of the machine lasts around 14 minutes. But it seems to have a thermostat that cuts the machine off when things get too hot, as they do with my heat gun at work.

I've tried pushing well out of the way the little metal "bump" that ordinarily makes contact with the dough pan when it's inserted. Is this the thermostat sensor? I don't see any other candidates.

With this "bump" component pushed out of the way, the machine never even begins the long spin cycle, although it does do the preparatory spins, which range for periods of under one second to one minute.

Then I tried putting the "bump" back in place but inserting a piece of cardboard double-wrapped in aluminum foil. This permitted the long cycle to run, but, if the bump is indeed a sensor, it didn't keep it from shutting down the machine.

Obviously I don't know what I'm doing.

The instructions on the thread over on homeroasters.org (Click Here (homeroasters.org)) about rewiring a bread machine are over my head, I'm afraid.

If anybody can offer any guidance, please let me know. The local thrift shops don't have any other bread machines right now.

UPDATE, OFF-TOPIC: Why is the first line in this post preceded by a single parenthesis? I can't get rid of it!

Thanks.
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tinyenormous
Senior Member


Joined: 22 Mar 2013
Posts: 30
Location: boston
Expertise: I love coffee

Espresso: gaggia coffee
Grinder: bodium bistro burr / Hario...
Drip: v60 / aeropress
Posted Mon Apr 1, 2013, 2:33pm
Subject: Re: Panasonic SD-BT55p bread machine problems
 

Hi rsnidjik!

I want to start out by saying that I'm new into the coffee world, and I haven't roasted a single bean yet. I do play around with electronics a lot though.

That being said, the simplest thing to do is to basically hot-wire the bread machine. I don't know about your breadmaker or your level of technical knowledge. The motor either runs on ac or dc power. Find out what it needs and give it that. If you want to be fancy, add a switch or a timer.

Doing things like moving / disabling the temp sensors may work for one model and not the next. It also puts you at the mercy of whatever behavior the machine is programmed for. If you are capable of running power directly to the motor that will be your best bet.

Good luck, and report back!
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rsnidjik
Senior Member
rsnidjik
Joined: 23 Oct 2003
Posts: 74
Location: Dislocated
Expertise: I love coffee

Espresso: PID'd Silvia 230v, 110°...
Grinder: Baratza Vario
Vac Pot: nope
Drip: nope
Roaster: West Bend Poppery 1500W; am...
Posted Mon Apr 1, 2013, 5:15pm
Subject: Re: Panasonic SD-BT55p bread machine problems
 

Thanks for your reply, tinyenormous. The re-wiring job looks well over my head. I've replaced the wiring in my Rancilio Silvia, and I've also added a PID to it. But, at least for the model bread machine I picked up for $10 at the thrift store, the wiring just looks too complicated. This weekend I found an old Sunbeam 5891, which is the same model discussed in the HGBM FAQ here. The Sunbeam apparently needs no modifications. I'm going to give the Panasonic -- which is actually a fancier model, I believe -- to our church for a fundraiser. Somebody will probably donate $30 for it.

BTW, these old Japanese-made bread machines can pretty well built. I was impressed with the innards of the Panasonic.
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