heat won't come on

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  #1  
Old 12-30-00, 06:00 PM
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On our central ac/heat system, the heat won't come on unless you turn it on manually. If you set the thermostat and leave it on auto, the heat never comes on. We replaced the thermostat and it still doesn't come on. The AC works just fine. It's just the heat. Any suggestions?

 
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  #2  
Old 12-30-00, 07:26 PM
fjrachel
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Type of heating system? Central is alittle vague. Gas, heat pump, oil, etc.
 
  #3  
Old 12-31-00, 07:46 AM
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heat won't come on

It's an electric central heat/air system. I don't remember the brand. It's not a heat pump.
 
  #4  
Old 12-31-00, 07:55 AM
fjrachel
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Sounds as though your heating timer relay has gone bad. In heating the fan circuit is timed, to give the electric heaters time to warm up before the fan comes on. If your unfamiliar with electricity and schemetics, please call a tech.
 
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