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Carrier model 25HNB624A320 flash code 72 fix - Carrier Heating & Cooling

1 Answer

jack morton

Master 523 Answers
Posted on Oct 08, 2017

jack morton

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Joined: May 19, 2015

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I'm assuming this is an Infinity system. If so, it is an awesome, but complicated machine. If the PDF I have is correct to your machine, 72 is a high stage compressor thermal lockout in the history. This may be caused by a faulty start assist kit(potential relay), or internal overload trip in compressor. This should be addressed by a qualified and experienced service tech. I know these machines pretty well and still have so much to learn about them. So if you have no experience with it do not attempt to repair. You can clear thus code in the thermostat. It should be a "history" code, meaning it happened, but is not an issue that caused it to shut down. Hold the advanced button for about 10 secs and you'll access the installer/service mode. Locate fault history and then clear all codes. Just be advised, these codes help me see the history of operation and in turn, help me diagnose problems when I am to repair the machine. Hope this helps!

1 Related Answer

Anonymous

1 Answer
Posted on May 21, 2010

SOURCE: ERROR CODE 5 FLASHES CARRIER SPLIT SYST. AIR COND. 42G250HP-1

5 flashing is ' compressor drive' and check the high pressure, condenser fan motor capacitor for proper running

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