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POSSIBLE CAUSE
X IN ANALYSIS GUIDE INDICATE
"POSSIBLE CAUSE"
Liquid stop valve does not fully open
Suction stop valve does not fully open
Line set restriction
Line set length is too long
Blocked filter-dryer
ID EEV coil failure
ID EEV failure
High Pressure switch failure
Pressure sensor failure
Suction temp sensor failure
Discharge temp sensor failure
Coil temp sensor failure
Liquid temp sensor failure
Ambient temp sensor failure
OD recirculation
ID recirculation
Dirty OD Heat-exchanger
Dirty ID Heat-exchanger
Outdoor Ambient temp is too high
Outdoor Ambient temp is too low
ID suction temp is too high
ID suction temp is too low
Mixture of non-condensible gas
OD fan motor failure
Over charge
Under charge
Leak
OD Control Board Failure
ID Failure
Compressor failure
Compressor and Gas furnace are operating at the same time
Low ID CFM
Outdoor Normal Temperature Operating Range: 67-115°F / Indoor Normal Temperature Operating Range: 65 - 85°F
COOLING ANALYSIS CHART
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