Diagnostics - Rheem RP14 14 SEER Installation Instructions Manual

DIAGNOSTICS

SYSTEM
PROBLEM
Overcharge
Undercharge
Liquid Restriction
(Drier)
Low Indoor Airflow
Dirty Outdoor Coil
Low Outdoor
Ambient Temperature
Inefficient
Compressor
Indoor TXV Feeler
Bulb Charge Lost
Poorly Insulated
Indoor Sensing Bulb
SYSTEM
PROBLEM
Overcharge
Undercharge
Liquid Restriction
(Drier)
Low Outdoor Airflow
Dirty Indoor Coil
Low Indoor Ambient
Temperature
Inefficient
Compressor
Outdoor TXV Feeler
Bulb Charge Lost
Poorly Insulated
Outdoor Sensing
Bulb
42
COOLING MODE
TROUBLESHOOTING TIPS
DISCHARGE SUCTION
PRESSURE PRESSURE
High High
Low Low
Low Low
Low Low
High High
Low Low
Low High
Low Low
High High
HEATING MODE
TROUBLESHOOTING TIPS
DISCHARGE SUCTION
PRESSURE PRESSURE
High High
Low Low
Low Low
Low Low
High High
Low Low
Low High
Low Low
High High
INDICATORS
SUPERHEAT SUBCOOLING
Normal: 5°–15°F Normal: See
[-15° – -9°C]
Charging Chart
Low High
High Low
High High
Low Low
Low Low
High High
High High
High High
Low Low
INDICATORS
SUPERHEAT SUBCOOLING
Normal: 5°–15°F Normal: See
[-15° – -9°C]
Charging Chart
OK High
OK or High Low
High High
Low Low
Low Low
OK High
High High
High High
Low Low
COMPRESSOR
AMPS
High
Low
Low
Low
High
Low
Low
Low
High
COMPRESSOR
AMPS
High
Low
Low
Low
High
Low
Low
Low
High