Fujitsu FO14R Series User Manual

43
Diagnostics
DIAGNOSTICS
COOLING MODE
TROUBLESHOOTING TIPS
SYSTEM
PROBLEM
INDICATORS
DISCHARGE
PRESSURE
SUCTION
PRESSURE
SUPERHEAT
Normal:
5°–15°F
[-15° – -9°C]
SUBCOOLING
Normal: See
Charging Chart
COMPRESSOR
AMPS
Overcharge High High Low High High
Undercharge Low Low High Low Low
Liquid Restriction
(Drier)
Low Low High High Low
/RZ,QGRRU$LUÁRZ Low Low Low Low Low
Dirty Outdoor Coil High High Low Low High
Low Outdoor
Ambient Temperature
Low Low High High Low
,QHIÀFLHQW
Compressor
Low High High High Low
Indoor TXV Feeler
Bulb Charge Lost
Low Low High High Low
Poorly Insulated
Indoor Sensing Bulb
High High Low Low High
HEATING MODE
TROUBLESHOOTING TIPS
SYSTEM
PROBLEM
INDICATORS
DISCHARGE
PRESSURE
SUCTION
PRESSURE
SUPERHEAT
Normal:
5°–15°F
[-15° – -9°C]
SUBCOOLING
Normal: See
Charging Chart
COMPRESSOR
AMPS
Overcharge High High OK High High
Undercharge Low Low OK or High Low Low
Liquid Restriction
(Drier)
Low Low High High Low
/RZ2XWGRRU$LUÁRZ Low Low Low Low Low
Dirty Indoor Coil High High Low Low High
Low Indoor Ambient
Temperature
Low Low OK High Low
,QHIÀFLHQW
Compressor
Low High High High Low
Outdoor TXV Feeler
Bulb Charge Lost
Low Low High High Low
Poorly Insulated
Outdoor Sensing
Bulb
High High Low Low High

Fujitsu FO14R Series Specifications

General

Brand	Fujitsu
Model	FO14R Series
Category	Heat Pump
Language	English