The building manager reported that this Carrier rooftop unit was blowing fuses. During troubleshooting of this HVAC system, it was discovered we had a dead short to ground on one condenser fan motor.
Once the problem was discovered, the faulty condenser fan motor was isolated from the circuit. This allowed the Carrier rooftop to run in cooling mode and keep the HVAC system up and running.
HVAC troubleshooting requires a very methodical approach. Once you learn the basics and get down the method, you can troubleshoot anything
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Негізгі бет Carrier Rooftop Unit Troubleshooting and Faulty Condenser Fan Motor
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