Heat Pump Problem

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  #1  
Old 05-14-02, 03:53 PM
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Question Trane heatpump blower shuts off

Have a trane heat pump. inside blower shuts off but compressor keeps running, for hours sometimes, then coils freeze up. compressor will not shut off with thermostat.must use breaker. to turn on the blower must use breaker. Then it will work fine for a while. Had it serviced many times. they said the thermostat is ok. Said it was a bad firestat. replaced it many times. touching the wires together sometimes would make it come on. Next service they disconected the firestat. worked for a few months now it is doing it again. any idea what is could be?
 
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Old 05-14-02, 05:33 PM
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sounds like

the contactor sticking in the o/d unit
 
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Old 05-16-02, 04:17 PM
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what is the o/d unit?
 
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Old 05-16-02, 04:30 PM
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o/d

is outdoor unit, the condenser. it has a coil inside the contactor that pulls in the points, energizing the unit, they may be stuck, see similar thread for PDF'S advice
 
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