Ask Experts Questions for FREE Help !
Ask
    sycomore's Avatar
    sycomore Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Oct 5, 2011, 08:14 PM
    Furnace short cycle
    I have a heil high efficient furnace that ignites fine but when blower starts gas valve shuts down
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Oct 6, 2011, 05:10 AM
    You might try cleaning flame senser with very fine sandpaper or steel wool
    sycomore's Avatar
    sycomore Posts: 3, Reputation: 1
    New Member
    		  
    #3

    Oct 6, 2011, 07:37 PM
    Gas valve actually cuts off just before fan starts up like fan limit is causing it. Fan limit is time delay. Could it be fan control or fan relay
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!

Short heat cycle and furnace won't shut off [ 1 Answers ]

I have a Luxaire Deluxe High efficiency furnace model 3 PBNU LD12N080B. We bought the house 2 years ago and all has been fine. We noticed just recently that the blower seams to be running all of the time but the furnace only comes on for a short time and never gets up to what is set on the...

Carrier furnace purge exhaust fan continues to cycle and cycle [ 3 Answers ]

Carrier furnace/AC Product model #58ZAV 075-101JC Model #58ZAV 075-JC Series 100 Serial #2093A16 303 Natural Gas/Propane, heat furnace runs on Propane. Problem: With the unit turned to cooling with the thermostat, the heat pre-purge exhaust fan continues to cycle on and off, sometimes...

Short Cycle [ 1 Answers ]

I have a coleman Evcon forced air nat gas furnace. It will cycle or ignite the main burner for 10 seconds and then cycle off. I thought the thermostat was bad so I replaced it the problem still exists. HELP it is getting very frigid and I need the heat.

Shutting down after each short cycle! [ 1 Answers ]

I live in an older mobile home with and heat with a Colleman model 7956-856 gas furnace. If the pilot lite is lit and left on pilot only, it will remain lit without problem. When the furnace is turned on, the cycle is completely random and when the burner kicks off, the pilot turns off with it. Any...

View more questions Search