Gas Furnace Acting Up

Reply

  #1  
Old 01-01-13, 05:44 PM
Member
Thread Starter
Join Date: Jan 2013
Location: USA
Posts: 1
Upvotes: 0
Received 0 Votes on 0 Posts
Question Gas Furnace Acting Up

Hello,

I have a gas, forced air furnace system in my home that has started acting up over the last few (coldest) days.

I might have the themostat set to 74 degrees. It may get down to 68 or 69 degrees and doesn't kick on. Sometimes it will, sometimes it won't. It's just been sporadic. I can hear furnace ignite downstairs, and the fan down there blows, but the blower doesn't kick on for the house.

Here's the thing. I played with the thermostat settings when it stopped working and had a few weird results.

Thermostat set to Heat setting, and fan setting set to AUTO....the air doesn't blow in the house. All I hear is the furnace ignite downstairs.

Thermostat set to Heat setting, and fan setting set to ALWAYS ON...same thing as above.

Thermostat set to OFF, and fan setting set to ALWAYS ON....the fan starts blowing...albeit cold air.

Any ideas on this? Does it sound like a bad thermostat, or something do do with the furnace? The thermostat is a decent digital one, and haven't had any problems until now.

Thanks,

Shane
 
Sponsored Links
  #2  
Old 01-01-13, 05:58 PM
Forum Topic Moderator
Join Date: Oct 2002
Location: Hamilton County, Ohio
Posts: 4,296
Upvotes: 0
Received 1 Vote on 1 Post
Thermostat is fine. You need to observe what happens when the furnace tries to start and post back that information.

For example, inducer fan starts, ignition lights up, main burners light and stay on, main blower starts.
 
  #3  
Old 01-01-13, 06:47 PM
hvactechfw's Avatar
Member
Join Date: Jan 2011
Posts: 6,245
Upvotes: 0
Received 0 Votes on 0 Posts
What is the make and model number of your furnace?
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes
 
Ask a Question
Question Title:
Description:
Your question will be posted in: