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Old 04-29-2008, 08:36 AM   #1
Join Date: Jun 2005
Posts: 21
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carrier cycling on and off

carrier propane furnace 58SX series 170
unit will fire up and ignite but will shut burner off when blower kicks on.
this cycle will repeat itselfi bypassed the limit switch to test but still cycling

typhoon55 is offline   Reply With Quote
Old 04-30-2008, 09:02 PM   #2
Join Date: Nov 2007
Posts: 66

carrier cycling on and off

U gotta give us little bit more info brother. The reason that stands out is that a few of us have read your situation and not responded. I seriously have re-read it 5 times and I'm still not sure what problem is, how you've tried to trouble shoot, and what you think the solution is? The other thing that gets my attention is propane and I'm not real familiar with propane except for potato canons. Please give us more information or re-post with improved more thorough info. Good luck. Cliff

UBoiler is offline   Reply With Quote
Old 05-03-2008, 07:57 PM   #3
Join Date: Apr 2007
Location: Sringfield, Oh
Posts: 111

carrier cycling on and off

PHP Code:
carrier propane furnace 58SX series 170
unit will fire up 
and ignite but will shut burner off when blower kicks on.
this cycle will repeat itselfi bypassed the limit switch to test but still cycling 
58sx? I know it's old, but as UBoiler said not enough info. If I was to guess the circuit board is causing the problem, but that's a guess. Could also be gas pressure, an aux. limit, etc. etc.
sgthvac is offline   Reply With Quote
Old 05-08-2008, 09:44 PM   #4
Join Date: Feb 2006
Posts: 49

carrier cycling on and off

flame rollout when blower kicks on?

if so, possible bad heat exchanger.
Aceinstaller is offline   Reply With Quote

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