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DADDY31 01-14-2008 09:06 AM

Bryant Furnace Lock Out
I have a Bryant model 383K gas furnace. When call heat is on, furnace will go through one cycle and then give codes 14, 31 and 33. I have replaced heat sensor, ignitor and put in new filter. Normally only does this when it is rather cold outside. Also recently put in new blower assembly. any ideas why it will only run one cycle before locking out?

bigMikeB 01-14-2008 03:43 PM

Is the rotation on the blower motor correct?

DADDY31 01-14-2008 05:14 PM

Yes it is correct.

bigMikeB 01-15-2008 06:20 AM

There should be a chart on the inside of the blower door with the error codes for that unit.

DADDY31 01-15-2008 06:33 AM

i have the codes, was just trying to narrow it down a bit to repair.

MikeIL 01-18-2009 11:05 PM

I have the same furance and problems. It always seems to happen when its really cold. This is the second year I have had a code 31 right after a 10 below zero night. I always make sure the filter is new and furance is clean. Than I turn the power off at the furance for about an hour to clear the circuts. Once I turn the power back on it seems to work fine until the next really cold night. Go figure.

kennzz05 01-19-2009 01:27 AM

you might have mentioned what the codes mean even we have to read them sometimes

MikeIL 01-19-2009 04:47 PM

Well Kenn, according to the manual and I quote "Each of the following status codes ia a two digit number with the first digit determined by the number of short flashes and the second digit by the number of long flashes" If you need the LED code for the above I will be happy to scan it and send it to you.

kennzz05 01-21-2009 10:21 AM


Originally Posted by kennzz05 (Post 215390)
you might have mentioned what the codes mean even we have to read them sometimes

what does your manual say a 14,33 and whatever the last one was? just saying its throwing codes isnt helpful sorry i didnt make myself clear originally

MikeIL 01-25-2009 12:04 PM

It is either: Pressure, Draft Safeguard or Auxiliary-Limit Switches.

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