An evaporator coil of a single evaporator, air-cooled refrigerator is accumulating excessive frost due to a failure of the defrost mechanism. If the refrigerator features a thermostatically controlled box solenoid and a low-pressure cutout controlled compressor, as well as a high-pressure cutout, in terms of the compressor, what would be the most likely operating symptom?

Question

Accepted Answer

Option A: short cycle on low-pressure cutout. Excessive frost restricts airflow across the evaporator, lowering heat absorption, dropping suction pressure rapidly, and causing the compressor to short-cycle frequently on the low-pressure cutout.