Trane 2-stage, blower won't kick in

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  #1  
Old 10-17-04, 09:33 AM
gudone
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Question Trane 2-stage, blower won't kick in

Hey All,

I have a Trane XL80 Furnace. It has an intermitent problem where the blower will not kick in.

The pre-burn exhaust motor kicks in, then the burners go, but the blower never starts. The furnace will eventually shut-off because it overheats.

As far as I can tell, it is not the blower motor itself that is the problem.

Any suggestions on sensors that may be causing this problem?

Thanx in advance for your help,

Lorne
Vancouver, BC
 
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  #2  
Old 10-17-04, 06:01 PM
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Hello Lorne. Welcome to the Heating Furnaces forum topic and the Do It Yourself Web Site.

Fan temperature switch/sensor likely defective. The temp sensing device is on the front of the unit where the firebox/heat exchanger is located. Switch/sensor has wires attached to it.

Turn off power to unit. Remove part and replace with new part. Relay/sensor may be on main circuit board. May be defective or burned out. (Terms for parts vary.)

An excellent source for original replacement parts is your local retail heating parts store, heating dealers and agents retail part stores. Bring the make, model and serial numbers. The info will help to determine any possible problem causes.

Heating Agents & Heating Furnace part stores sell replacement parts for almost every heater brand. The locations for the dealers, agents and retail part stores are listed in the phone book.

Check back on your question several more times. Heating professionals and other members posting replies in this forum topic may offer you additional advice and or repair methods.

Use the reply button to add additional information or questions. Using this method moves the topic back up to the top of the list of current questions automatically.

Be sure the electrical power to the appliance is turned off, the thermostat is turned down and the gas control valve is in the off postion before attempting any repairs.

Regards & Good Luck.
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