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30 August, 04:25

A technician is checking refrigerant system pressures. Both high - and low-side service ports are located on the A/C compressor. When the compressor is engaged, the high-side pressure instantly goes over 375 psig. What is the most likely cause of this condition

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  1. 30 August, 05:08
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    Two major causes are outline bellow

    1. The presence of air in the system

    2. Clogged condenser

    Explanation:

    1. The presence of air in the system

    One of the causes that have been established in relation to high compressor discharge pressure is the presence of air in the system. When this takes place, your best solution is to recharge the system.

    2. Clogged condenser

    Another is a clogged condenser in which case you will need to clean the condenser so that it will function properly. When you happen to spot that the discharge valve is closed and it is causing high discharge pressure on the compressor, you can solve that easily by opening the valve
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