Electric Circuit Troubleshooting The magnetic clutch does not operate (Both the condenser and the radiator fan functions properly) SR NO OCCURANCE POSSIBLE CAUSE REMEDY 6 Faulty compression of compressor Condition Air conditioner does not cool. Symptoms • in refrigerant cycle Pressure on the low pressure sides is • too high and pressure on the high pressure side is too low. Cause There is leaking in the compressor • Diagnosis Faulty compression of compressor. • Delivery valve or packing is leaking or • broken or compressor is malfunctioning. Countermeasures Check the • compressor oil for contamination and quantity. Replace the • compressor. HVAC W/O ETC 31
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