Ask Experts Questions for FREE Help !
Ask
    richard3707's Avatar
    richard3707 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 7, 2008, 04:08 PM
    Furnace blower stuck "on",capacitor fried!
    I have a Coleman home furnace with a white-rodgers circuit board,model 50a50-241.On occasion the blower would not turn off with the t-stat.I would lighly hit the side of the furnace and the blower would go off.Now the blower was stuck on and I found the start capacitor burnt badly and the circuit board constantly flashing indicating flame sensed no heat commanded.There is no flame and blower stuck on.I know I need a new capacitor but should I replace the circuit board for the malfunction?Also what would cause the capacitor to catch fire?The blower works fine.
    hvacservicetech_07's Avatar
    hvacservicetech_07 Posts: 1,083, Reputation: 75
    Ultra Member
    		  
    #2

    Jul 7, 2008, 04:18 PM
    Well a loose connection would cause that to happen, is the capacitor blown up? Or just burnt terminals? I would start with replacing the cap, then see what happens, chances are, you have a relay sticking on the control board, and it may need to be replaced, if it continues to give false codes, replace it.
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!

Fan Blower not working in "ON" or "AUTO" in heat or AC [ 13 Answers ]

Got home from the Brewer game this afternoon and noticed the house was warm(78). Outside was 91. I checked the T-stat and it was set correct. Noticed the air vents weren't blowing anything. Went outside and the condenser and fan was running fine. Then I went downstairs to the furnace unit to see...

Intertherm Electric Furnace Blower works in "on" not in "auto" [ 6 Answers ]

I have an Intertherm Electric Furnace E2EB-015AH. I came home from work last night, turned the heat on and it didn't work as advertised. I could hear the relays clicking occasionally so I investigated a little and found the elements are heating up and cycling, the relay inside the thermostat cycles...

Lennox furnace blower doesn't come on when on "auto" [ 5 Answers ]

I have a Lennox furnace model G23Q3/4-100-2. When the thermostat calls for heat, the igniter will light the pilot, the gas will come on and light, but the blower does not come on and the furnace will shut off after a few minutes (overheats because of no blower). I can turn the thermostat to on...

Blower runs on "ON", but not on "Auto" [ 3 Answers ]

Hello All, I have a Goodman COMBINATION HEATING AND COOLING OUTDOOR UNITS PG/PGX SERIES (100K BTU). It failed to warm the space. The fan would not run on “ON” or “Auto” mode. Upon investigating, there is no power to the unit due to 25 amps fuses blown. Replaced with new fuses. Power was...

View more questions Search