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High pressure cut out control module is locking out the restart of condensor, if you hit reset button, condensor will start up, changed air filter.system is a ruud 12 seer heat pump with scroll inside


Answers :

You need to pull the condenser shroud and hose down the outside unit really, really well and I can't stress that enough. The pressure switch helps protect the outdoor unit. There are only two things that will cause this to trip.....dirty condenser coils and a blockage in the high side of the unit. On a Ruud, to clean it good, you have to remove the shroud.

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