Ask Experts Questions for FREE Help !
Ask
    fishinjerry2000's Avatar
    fishinjerry2000 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 8, 2009, 07:55 PM
    Dunham-bush furnace on 1 min off 30 se ,on 1min off 30 sec
    Furnace blows heat for maybe 1-2 min off for 30 sec and back on for 1 min or 2 and off for 30 sec... I took off wall thermistat connected both wire together and still on for 2 min and off for 30 sec again and again
    Help what I might check next to diagnos... thanks Jerry
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
    Ultra Member
    		  
    #2

    Dec 8, 2009, 08:09 PM

    How old is your furnace? Is it new enough to have a circuit board and if so does the LED on the board blink any certain amount of times.
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!

Bryant furnace fan cycles on 1 or 2 times for 2 or 3 sec. After heat cycle has ended [ 8 Answers ]

I have a Bryant furnace Mod. #394GAD024050 and after the temp has reached the set point and the furnace has cycled off the fan will come back on a couple of times for approx. 2 or 3 seconds. In the older furnaces with a machanical fan/limit switch some times the temp would creep up and cause the...

[(sin x cos x)/ (csc x sec x)] = (sin x cos x) [ 1 Answers ]

I need help verifying this problem algebraically: (sin x + cos X)/(csc x + sec x) = sin x cos x

Tan(x)/sec(x) + cot(x)/csc(x) =sin(x)+cos(x) [ 1 Answers ]

I have a couple problems I cannot solve, please help me! 1. tan(x)/sec(x) + cot(x)/csc(x) =sin(x)+cos(x) 2 (1-tan(x))^2 = sec^2(x) - 2tan(x) 3. sin(x)/csc(x)-1 + sin(x)/csc(x)+1 = 2tan^2(x) 4. sin(x) = tan(x)-1

Furnas cust on and off every 5 min [ 1 Answers ]

Furnas cuts on and off every 5 min

Refrig sec freezes Kenmore? [ 0 Answers ]

I have a Kenmore model #106.74206400 that keeps freezing in frig section. Tried the self diagnostics, and Thermistor for both freezer/frig passed. When it came to damper test it showed a closed condition. But cold air is coming through to frig. I disassembled the control bd down to air damper motor...

View more questions Search