DIY Home Improvement, Remodeling & Repair Forum > Appliances > HVAC > Indoor fan keeps running




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Old 07-20-2013, 12:26 AM  
spider
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Default Indoor fan keeps running

Hi. I have an older roof top unit. My blower Moter will not shut off. Tstat good and I changed the fan relay. Can you tell me the next step thx.



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Old 07-22-2013, 07:29 PM  
nealtw
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just bumped this forward incase this was missed. Welcome to the site.



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Old 07-23-2013, 07:13 AM  
Fireguy5674
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I think we need a little more detailed info to make a constructive suggestion.

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Old 07-23-2013, 08:24 AM  
HRTAdmin
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What's the make and model?

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Old 07-23-2013, 12:47 PM  
kok328
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You will need a volt/ohm meter to perform most of the troubleshooting checklist.
Welcome to the site.
Please get back to us with the details, we'd love to help you.

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Old 07-23-2013, 03:42 PM  
spider
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Quote:
Originally Posted by kok328
You will need a volt/ohm meter to perform most of the troubleshooting checklist.
Welcome to the site.
Please get back to us with the details, we'd love to help you.
Thx guys you all rock it's a old Frazier Johnson lol. No info.
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Old 07-23-2013, 03:44 PM  
spider
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Quote:
Originally Posted by spider

Thx guys you all rock it's a old Frazier Johnson lol. No info.
I'm thinkn the high limit fan combo switch I guess that's all it could be.. Hmmm. I'm not getting 24 volts to fan relay like it should couse it's not on ..... I am getting 120 out of relay and to combo then combo to fan


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Last edited by spider; 07-23-2013 at 03:47 PM.
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