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The air temperature associated with a direct reciprocating air conditioning plant is found to be too warm, and the compressor is not operating. A service check determines the compressor suction pressure to be above the normal cut-in point, with a normal head pressure, and high evaporator superheat. Which of the following could be the cause of this problem?
A) Cooling water flow to the condenser is excessive.
B) The low pressure control contacts are stuck open.
C) A liquid line solenoid valve has failed closed.
D) A liquid line solenoid valve is stuck open.
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