Refrigerant Circuit ProblemsSystem Condition 14 1. Low pressure gauge reading is below normal. For normal operating pressures, refer to Table 1. 2. High pressure gauge reading is below normal. For normal operating pressures, refer to Table 1. Note: Ambient temperature is above 21°C (70°F). 3. The air flow to the operator's compartment is very cold, or the air flow may be restricted completely at times.Probable CauseThe...
Monday, April 26, 2010
Wednesday, April 21, 2010
How to check step by step Refrigerant Circuit Problems part 8
Refrigerant Circuit ProblemsSystem Condition 12 * Water is in the vents. * Water is leaking from the unit.Probable Cause * The non-return valve of the drain 1. Check the non-return valve for proper positioning and proper direction.The Compressor will not EngageIf the machine is equipped with the protection system for the refrigerant compressor, Refer to the Service Manual, SENR 5664, "Troubleshooting Heating and Air...
Thursday, April 15, 2010
How to Check step by step Refrigerant Circuit Problems part 7
Refrigerant Circuit ProblemsSystem Condition 11 1. Low pressure gauge reading is too high. 2. High pressure gauge reading is too high. Note: Ambient temperature is above 21°C (70°F). 3. The temperature of the air flow from the evaporator is warm.Probable CauseThe condenser is not functioning properly.Note: The system may have a normal or overcharge of refrigerant. 1. Check for a blockage in the flow of air through...
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