heat pump aux gas heat hi-temp error

by ron
(amarillo, texas)

I have a trane 5 ton heat pump with aux gas heating. when running in heat pump mode all seems to be ok. after a few minutes when running in the aux heating mode the gas gets shut off with a hi-temp error. the temp is usually around 139.

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Dec 09, 2013
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Bad auxiliary heater or airflow problem
by: Anonymous

Maybe your airflow is a problem. Do you have a dirty filter/coil or some other blockage? If not, you could have localized heater problems (eg. bad heater element) or maybe even a bad high limit switch.

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