14
Fault Code Meaning of Code
OFF The desired programmed temperature point is lower than 50°F (10°C).
LP
There is a shortage of refrigerant gas in the unit or a faulty low pressure control, or the
ambient air is too cold.
LP3
The unit has encountered 3 LP faults within the same call for heat and shut down the unit
for protection. If this occurs, you should call for service.
HP
There is low water flow in the unit or a faulty high pressure control. Check water
flow/backwash.
HP6
The unit has encountered 6 HP faults within the same call for heat and shut down the unit
for protection. If this occurs, you should call for service.
PSd The water temperature sensor is open or may be defective.
dSd The suction line temperature sensor is open or may be defective.
FLO
Possible causes:
• The filter is in backwash position.
• The filter pump is stopped.
• The filter is dirty.
• Shortage of water to pool pump.
• FIL parameter must be set to activate pool pump.
• Water flow switch may be broken.
FL3
The unit has encountered 3 FLO faults within the same call for heat and shut down the
unit for protection. If this occurs, you should call for service.
FS Unit is in the defrosting cycle.
FS5
The unit has gone into the defrosting cycle 5 times within the same call for heat and shut
down the unit for protection.
COL The unit is in the cooling mode.
HEA The unit is in the heating mode.
HOT The unit has gone into a fault mode during cooling.
- - Keypad is pressing down on both buttons. Replace keypad.
Table C: Control Board Fault Codes
Time Clock Adjustment
Verify that the time clock is set to permit the unit to run long enough to heat properly.
To Next Page
Loading...
Need help?
General
