Ask Experts Questions for FREE Help !
Ask
    bgalvin's Avatar
    bgalvin Posts: 2, Reputation: 1
    New Member
     
    #1

    Feb 1, 2010, 09:47 AM
    I have a luxaire trouble code flashing limit switch open
    The furnace seems to start up small fan starts OK the flame lights then the gas shuts off and the flash code flashes 4 times (limit switch open)??
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Feb 1, 2010, 10:38 AM
    This is a wild shot but if the furnace shuts down right away after it fires up try cleaning the flame sensor with fine sand paper or steel wool.
    Attached Images
      
    bgalvin's Avatar
    bgalvin Posts: 2, Reputation: 1
    New Member
     
    #3

    Feb 1, 2010, 10:52 AM

    I will try that - since I asked the question I cycled power approx.6 times and it started and my house is getting up to temp I will clean the flame sensor when it stops Thank you very much

Not your question? Ask your question View similar questions

 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

What does the code mean 'open high limit'? [ 2 Answers ]

My furnace blower comes on but the blinking light blinks 4 times telling me 'open high limit'. What do I do?

Troubleshooting 4 flashing lights - open high temperature limit switch [ 7 Answers ]

Thanks for your input. I finally was able to reverse the wiring and got it squared away. While I was in the attic I thought I would replace the motor which drives the fly wheel. I thought I was a hero till I put everything together and discover 4 flashing lights. The lights indicate "open high...

Open limit switch [ 2 Answers ]

Where can I find this on my furnace

Open limit switch code [ 6 Answers ]

Furnace - Amana GUIA115A40 Control board - White-Rodgers 50A50-298 My furnace just has the fans running non-stop and the control board is flashing an open limit switch error code. The furnace is getting good circulation and both fans seems to run fine. I cut power to it all night, in the...

Open limit switch code on goodman furnace [ 1 Answers ]

I have a goodman furnace with an open limit switch code /blinking lite. Blower runs,but no flame what can I do to fix this problem?


View more questions Search