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09-25-2012, 02:09 AM
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#1
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Newbie
Join Date: Sep 2012
Posts: 6
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Clicking sound in the furnace and flame out
Hi,
When the blower turns on, the furnace (seems to come from the gas control valve) makes continuous clicking sounds like crazy and then the flame just goes out. See the youtube video:
http://www.youtube.com/watch?v=QJN4ZctNv7g
Need some idea. Thanks.
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09-25-2012, 04:29 AM
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#2
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Professional
Join Date: Nov 2010
Location: NE Indiana
Posts: 1,997
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Clicking sound in the furnace and flame out
sounds is likely from the gas valve and is most likely due to the pressure switch barely making. Check your flue and make sure it is not obstructed in any way. Does the inducer (motor above the burners) seem to be running at the correct speed? Other than that the heat exchanger will need looked at (by a pro) and the pressure at the pressure switch needs verified with a manometer (by a pro).
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09-25-2012, 05:50 AM
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#3
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An old Tradesmen
Join Date: Oct 2008
Location: PA
Posts: 18,635
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Clicking sound in the furnace and flame out
Yep, have the heat exchanger checked.
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09-25-2012, 07:25 AM
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#4
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Member
Join Date: Oct 2011
Location: pa
Posts: 3,182
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Clicking sound in the furnace and flame out
is that a red tag to the right of gas valve....it would have been placed there by gas company,,,for a dangerous condition on the furnace.....how long has this been doing this....agree with all have heat exchanger checked,,and gas valve.....
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09-25-2012, 08:06 AM
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#5
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Member
Join Date: Jan 2008
Location: Long Island
Posts: 3,196
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Clicking sound in the furnace and flame out
is that induced draft if so check the pressure switch something is bouncing the 24V to the main gas...if it is doing the same thing over and over it has to be a control....check for loose control wires something is bouncing..
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09-25-2012, 10:23 AM
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#6
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Newbie
Join Date: Sep 2012
Posts: 6
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Clicking sound in the furnace and flame out
Here is another video showing at the beginning of the heat cycle, no clicking after the burner is on.
http://www.youtube.com/watch?v=h-Y-nljf0GA
The clicking starts when the blower kicks in.
If I open the cover to the lower chamber where the blower and control panel are located, the burner flame will not go out and the clicking sound is less frequently.
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09-25-2012, 10:52 AM
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#7
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Professional
Join Date: Nov 2010
Location: NE Indiana
Posts: 1,997
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Clicking sound in the furnace and flame out
Get the heat exchanger checked asap! Do not use your furnace until you do so!
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09-25-2012, 11:59 AM
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#8
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An old Tradesmen
Join Date: Oct 2008
Location: PA
Posts: 18,635
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Clicking sound in the furnace and flame out
Post brand and model of furnace. Bu you need to have that heat exchanger checked. its probably bad.
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09-25-2012, 12:12 PM
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#9
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Member
Join Date: Oct 2011
Location: pa
Posts: 3,182
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Clicking sound in the furnace and flame out
shut down furnace ....have heat exchanger checked......do not use it till you do.....
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09-25-2012, 12:17 PM
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#10
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Newbie
Join Date: Sep 2012
Posts: 6
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Clicking sound in the furnace and flame out
Thanks all for the advice. The technician will be in today.
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The Following 2 Users Say Thank You to dragonballusa For This Useful Post:
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09-25-2012, 06:03 PM
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#11
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Member
Join Date: Sep 2011
Location: western Ny
Posts: 783
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Clicking sound in the furnace and flame out
Clean your flame sensor
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09-25-2012, 06:06 PM
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#12
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An old Tradesmen
Join Date: Oct 2008
Location: PA
Posts: 18,635
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Clicking sound in the furnace and flame out
Quote:
Originally Posted by danpik
Clean your flame sensor
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A dirty flame sensor would cause the burners to lock out after X tries. His isn't going back into purge mode, so its not his flame sensor.
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09-25-2012, 06:50 PM
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#13
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Newbie
Join Date: Sep 2012
Posts: 6
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Clicking sound in the furnace and flame out
Quote:
Originally Posted by biggles
is that induced draft if so check the pressure switch something is bouncing the 24V to the main gas...if it is doing the same thing over and over it has to be a control....check for loose control wires something is bouncing..
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The technician has left. The problem is caused by a loose wire in the control panel. Once the connection is tightened, the furnace is working properly. 
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The Following User Says Thank You to dragonballusa For This Useful Post:
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09-25-2012, 08:21 PM
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#14
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An old Tradesmen
Join Date: Oct 2008
Location: PA
Posts: 18,635
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Clicking sound in the furnace and flame out
Good news for you. But please post brand and model number of furnace.
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09-25-2012, 10:47 PM
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#15
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Newbie
Join Date: Sep 2012
Posts: 6
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Clicking sound in the furnace and flame out
Quote:
Originally Posted by beenthere
Good news for you. But please post brand and model number of furnace.
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Trane XE 80 Model TUD120C960J
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