16
Fault Code
Meaning of Code
OFF
The desired programmed temperature point is lower than 60°F (15°C).
LP & LP3
Shortage of refrigerant gas in the unit or faulty low pressure control. The unit will show
(LP3) after
3
LP faults and shuts down the unit and
pool pump
for protection. If this
occurs, you should call for service.
HP & HP6
Low water flow in the unit or faulty high pressure control. Check water flow/backwash. The
unit will show (HP6) after 6 HP faults. This will stop the unit for protection.
FLo & FL3
Possible causes:
• The filter is in backwash position.
• The filter pump is stopped.
• The filter is dirty.
• Shortage of water to pool pump.
• Water pressure switch must be adjusted or it is broken.
• The unit is in the protection mode and will show (FL3), press any key to restart the unit.
FL3 code will stop the unit and
pool pump
.
FS
Unit is in the defrosting cycle.
(The fan works but the compressor is stopped.)
- -
Keypad is pressing down on both buttons. Replace keypad.
Table C: Control Board Fault Codes — Digital Models
Summary of Contents for 5350 Series
Page 19: ...19 Fig 8 Pool Piping for Heat Pump Pool Heater and Gas Pool Heater ...
Page 20: ...20 Fig 9 Pool Piping for Heat Pump Pool Heaters Multiple Primary Secondary UNITS UNITS UNITS ...
Page 21: ...21 Wiring Diagram 208V 230V Single Phase Analog Models ...
Page 22: ...22 Wiring Diagram 208V 230V Single Phase Digital Models ...
Page 23: ...23 Wiring Diagram 208V 230V Three Phase Analog Models ...
Page 24: ...24 Wiring Diagram 208V 230V Three Phase Digital Models ...
Page 25: ...25 Wiring Diagram 460V Three Phase Analog Models ...
Page 27: ...27 ...
