We will show you a step-by-step procedure of properly troubleshooting and replacing a PSC blower motor in a standard gas furnace. Troubleshooting ECM motors are in a separate video.
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In this video, we will be discussing the different troubleshooting methods for diagnosing problems with relays, sequencers, and solenoid valves.
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Beyond the troubleshooting techniques shown in this video, you will also learn how to select and install a universal control board for a gas furnace.
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Here, we will discuss the different contactor types you will run across in the field, along with how to test and replace these on air conditioners and heat pumps.
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