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Old 02-12-2009, 06:50 PM   #1
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Help troubleshooting furnace problem


I have a Coleman Evcon model DGAT095ADC that is about 14 years old. The thermostat is a 1 year old Lux TX1500b. This combo works most of the time, but when it doesn't there are 3 different ways in which it acts funny.

1. The house gets up to temperature, the burner shuts off and then the blower shuts off. The intake fan continues to run. If I power cycle the furnace or tap the furnace the intake fan shuts off.

2. The intake fan comes on, the burner lights but the blower never turns on. If I power cycle the furnace, it works fine. Or if I turn the fan from auto to on and back to auto via the thermostat it works fine.

3. The intake fan comes on and that's it. No flame. If I power cycle the furnace it works fine.

I've had 2 service calls since this started. The first time he replaced 2 limit switches. The second time he cleaned the whole furnace. Any one have any thoughts before I call the repairman a third time?

robert_

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Old 02-12-2009, 08:17 PM   #2
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Help troubleshooting furnace problem


A quick thing to do would be to try a different thermostat before doing anything else. Especially if tapping it made a difference.

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Old 02-12-2009, 09:52 PM   #3
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NEWS from CPSC

U.S. Consumer Product Safety Commission

Office of Information and Public Affairs Washington, DC 20207 FOR IMMEDIATE RELEASE
November 15, 2004
Release # 05-047 Firm's Hotline: (888) 665-4640
CPSC Consumer Hotline: (800) 638-2772
CPSC Media Contact: (301) 504-7908

CPSC, York International Corp. Announce Recall of Gas Furnaces

WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in cooperation with the manufacturer named below, today announced voluntary recalls of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed.

Name of product: Gas furnaces

Units: About 226,000

Manufacturer: The Unitary Products Group (UPG) of York International Corp., of York, Pa.

Hazard: These furnaces can overheat, causing heat-exchanger cracking, burn-through and, in extreme cases, furnace wrapper burn-through. This can lead to heating and possible burning of the drywall and other combustibles adjacent to the furnace, which poses a fire and smoke hazard to consumers.

Incidents/Injuries: UPG has received 27 reports of fires, some resulting in extensive property damage that could be related to these hazards. There have been no injuries reported.

Description: The recall involves Coleman, Coleman Evcon and Red T brand furnaces. The furnaces are a silver color with white access panels. The "Coleman," "Coleman Evcon" and "Red T" brand names are located on the middle of the front access panel. These model furnaces with model numbers listed below are included in the recall:
DGAM075BDD
DGAM075BDE
DGAM075BDF
DGAT070BDD
DGAT070BDE
DGAT070BDF
DGAT075BDD
DGAT075BDE
DGAT075BDF
DLAS075BDD
DLAS075BDE
DLAS075BDF
The model number is written on a nameplate, found by removing both front access panels. The nameplate is found mounted on the left inside surface behind the lower panel.

Sold at: These furnaces were sold nationwide between 1995 and 2000 under the brand names of Coleman, Coleman Evcon and Red T as original equipment in manufactured homes and as replacement furnaces in manufactured homes.

Manufactured in: Wichita, Kan.

Remedy: Consumers should not use the heating function of these furnaces until it has been inspected and repaired. Consumers should contact UPG to schedule a free inspection and repair of any furnace involved in the recall.

Consumer Contact: For more information, call UPG toll-free at (888) 665-4640 between 8 a.m. and 5 p.m. CT Monday through Friday or visit their Web site at www.dgatprogram.com. UPG Technical Services is also conducting a comprehensive notification and communications program and working with its distributors to locate owners.

Firm's Media Contact: Helen Marsteller at (717) 771-7451

FURNACE FRONT ACCESS:
NAMEPLATE:


---
Send the link for this page to a friend! The U.S. Consumer Product Safety Commission is charged with protecting the public from unreasonable risks of serious injury or death from thousands of types of consumer products under the agency's jurisdiction. The CPSC is committed to protecting consumers and families from products that pose a fire, electrical, chemical, or mechanical hazard. The CPSC's work to ensure the safety of consumer products - such as toys, cribs, power tools, cigarette lighters, and household chemicals - contributed significantly to the decline in the rate of deaths and injuries associated with consumer products over the past 30 years.
To report a dangerous product or a product-related injury, call CPSC's hotline at (800) 638-2772 or CPSC's teletypewriter at (800) 638-8270, or visit CPSC's web site at www.cpsc.gov/talk.html. To join a CPSC email subscription list, please go to https://www.cpsc.gov/cpsclist.aspx. Consumers can obtain this release and recall information at CPSC's Web site at www.cpsc.gov.
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Last edited by hvaclover; 02-12-2009 at 09:57 PM.
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Old 02-12-2009, 09:57 PM   #4
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Help troubleshooting furnace problem


Its not the thermostat. The thermostat is basicly only a switch that tells the furnace to start or stop. It dosnt controll individual componets of the furnace with the exception of being able to manualy turn the blower on. Otherwise the blower, draft induser, ignition is all controlled within the furnace. I have never seen all 3 problems you describe show up on different cycles. I would suspect the controll board has failed if you have one. I am not familier with that exact furnace.

Edit: Ignore my post HVAC has the better info.

Last edited by JohnH1; 02-12-2009 at 10:00 PM.
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Old 02-12-2009, 10:02 PM   #5
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HVAC His model showes 095 your post shows up to 075. Is it included?
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Old 02-12-2009, 10:06 PM   #6
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The OP is another troll. i was trying to draw him out.

Don't you wonder why no other pro bothered to answer his post?
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Old 02-12-2009, 10:11 PM   #7
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Ok I must be slow what exactly is a troll.

Edit: nevermind I googled it I got it.

Last edited by JohnH1; 02-12-2009 at 10:17 PM.
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Old 02-13-2009, 06:02 AM   #8
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I wish I was a troll. Guess I'll just pay for another service call and hope that maybe this time the repairman gets lucky.
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Old 02-13-2009, 05:16 PM   #9
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Quote:
Originally Posted by hvaclover View Post
The OP is another troll. i was trying to draw him out.

Don't you wonder why no other pro bothered to answer his post?
No one else bothered to answer because like the guy I had out this afternoon, no one know what's wrong with it. Three service calls and still intermittent problems.
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Old 02-13-2009, 05:24 PM   #10
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I say you are just making it up. When you are in any profession long enough

you get to know what's real and what's not.

When the evidence don't fit trolls will always quit.
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Old 02-13-2009, 05:38 PM   #11
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Quote:
Originally Posted by hvaclover View Post
I say you are just making it up. When you are in any profession long enough

you get to know what's real and what's not.

When the evidence don't fit trolls will always quit.

You're welcome to come over and take a look for your self. You close to NW Ohio?
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Old 02-13-2009, 06:00 PM   #12
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Ok let's assume you're legit.

Go to Hvac-Talk.com and post in the residential forum what you posted here.

The pool of talent there is immense. If you have a legit problem someone there can help you.

Come back here and let me know the out come.
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Old 02-13-2009, 09:57 PM   #13
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Quote:
Originally Posted by hvaclover View Post
Ok let's assume you're legit.

Go to Hvac-Talk.com and post in the residential forum what you posted here.

The pool of talent there is immense. If you have a legit problem someone there can help you.

Come back here and let me know the out come.

Here is the thread: http://hvac-talk.com/vbb/showthread.php?t=223612

One person replied citing the dgat recall, and then the moderator closed the thread saying that I would attempt a DIY repair. All I want is to be able to give a pointer to the guy scratching his head and charging me high dollar.
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Old 02-13-2009, 10:10 PM   #14
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Quote:
Originally Posted by robert_ View Post
You're welcome to come over and take a look for your self. You close to NW Ohio?

Robert, I'm in nw ohio, what city you in.
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Old 02-13-2009, 10:11 PM   #15
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Quote:
Originally Posted by HvacWiz View Post
Robert, I'm in nw ohio, what city you in.
Vermilion.

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