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-   -   STC-1000 Temp contoller stuck on heat!!! (http://www.homebrewtalk.com/f51/stc-1000-temp-contoller-stuck-heat-380848/)

eryk4381 01-12-2013 03:40 PM

STC-1000 Temp contoller stuck on heat!!!
 
Hey guys,

Wondering if anyone has had this issue before with this temp controller.
I have my build all set up and had a beer in the fridge fermenter. It was regulating the hot and cold great. Then after two days i checked the temp and it said -88 degrees and apparently had been heating ALL DAY!!!!! Took my beer up to 79 degrees!! GRRRR..

I thought it may be just a random thing so I instantly cooled it back down then reset the temperature back to what I wanted. Two days after it stuck on -14 degrees and was heating again.

WTF. Do I need a new one? It seems to work fine except for these random occurrences.

Thanks for any help!

Lechien 01-12-2013 03:46 PM

How big of a heater are you using? Is it within the ratings of the contacts?
I'm going to look at what mine is rated for.

b-boy 01-12-2013 03:49 PM

Bad temp probe?

eryk4381 01-12-2013 03:56 PM

Quote:

Originally Posted by Lechien (Post 4777517)
How big of a heater are you using? Is it within the ratings of the contacts?
I'm going to look at what mine is rated for.

It's the regular SCT 1000 120v so -88 i think is waaaayy off since its in Celsius.

eryk4381 01-12-2013 03:57 PM

Quote:

Originally Posted by b-boy (Post 4777530)
Bad temp probe?

The could be it i guess but would a bad temp probe shoot the controller into a drastic measurement like that???

RedDraw 01-12-2013 04:04 PM

I'm not really familiar with that controller. Does it have an indicator on the front that tells you if the output is on? Indicator off and still heating is more than likely a welded contact.

Lechien 01-12-2013 04:09 PM

I missed the part in the original post about it reading -88:o. I was thinking stuck heater contacts orginally

Lechien 01-12-2013 04:11 PM

Quote:

Originally Posted by RedDraw (Post 4777581)
I'm not really familiar with that controller. Does it have an indicator on the front that tells you if the output is on? Indicator off and still heating is more than likely a welded contact.

It should have that indicator on the front.

Hermit 01-12-2013 04:18 PM

This is exactly why I tried warning people off of overkill heater solutions in another thread. You could open up the fridge and find a melted liner and other nasty stuff.

eryk4381 01-12-2013 04:23 PM

Quote:

Originally Posted by RedDraw (Post 4777581)
I'm not really familiar with that controller. Does it have an indicator on the front that tells you if the output is on? Indicator off and still heating is more than likely a welded contact.


It seems like an error type message but instead of a EE error it supposed to give when there's a short or something it just reads a completely off temp and trys to regulate that with heating until it gets back to what I programmed it to keep the temp at.. so judging by what i just wrote :) i think that is starting to sound more like the probe.


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