When a refrigeration compressor motor fails to start, the FIRST thing that should be checked for is what?
β’ Basic electrical troubleshooting sequence for motors β’ Difference between electrical faults and system (pressure/valve) faults in refrigeration β’ Safety and simplicity: what can be checked quickly without opening the system
β’ Before worrying about pressure controls or valves, what must be true for any motor to run at all? β’ Which option can prevent power from reaching the motor instantly, without involving refrigerant pressures? β’ Which checks would normally be done without tools or system disturbance as a first step?
β’ Identify which choice is a simple electrical supply/interruption issue β’ Identify which choices involve refrigerant pressure or flow control rather than power to the motor β’ Ask: In a safe, logical troubleshooting order, what is the very first, quickest check you would make before adjusting any controls or opening the system?
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