furnace fan goes on when in manual mode but won't work on auto

Question

Feb 11, 2008, 09:11 AM

ozromero

New Member

Join Date: Feb 2008

Posts: 1

furnace fan goes on when in manual mode but won't work on auto

this is a 15 old unit i checked it yesterday and everything seems to work all right on manual mode but when turned on auto it fallows all steps but when it sends signal for fan to go on it does not work

Answers

Feb 11, 2008, 10:39 AM	#2

hvac1000 Heating & Air Conditioning Expert Join Date: Aug 2005 Location: Ohio Posts: 5,001	Defective fan/limit control or a fan relay. At least you have heat in the manual blower mode.

Answer this Question Ask about Heating & Air Conditioning

« Previous Question | Next Question »

Question Tools	Search this Question
Show Printable Version Email this Page	Search this Question: Advanced Search
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Similar Sponsors

Similar Questions
Question	Asker	Topic	Answers	Last Post
Furnace fan not starting in Auto mode	schaliki	Heating & Air Conditioning	3	Jun 28, 2007 05:42 AM
Furnace turns off at 'ON' mode and will not operate at 'AUTO' mode	spanky28	Heating & Air Conditioning	6	Jan 23, 2007 05:01 PM
Furnace turns off at 'ON' mode and will not operate at 'AUTO' mode	spanky28	Heating & Air Conditioning	2	Jan 10, 2007 10:17 AM
Furnace Manual Fan OK - Not Auto Though	Jazzisme	Heating & Air Conditioning	1	Sep 22, 2006 02:28 PM
FAN doesn't work when it's 'Auto', but works fine at 'On' in my central air/furnace	Billx	Heating & Air Conditioning	1	Jun 14, 2005 07:08 PM



At Ask Me Help Desk you can ask questions in any topic and have them answered for free by our experts. To ask questions or participate in answering them you must register for a free account. By registering you will be able to: Get free answers from experts in any of our 300+ topics. Accept money for answers that you provide. Communicate privately with other members (PM). See fewer ads. Sign Up!