Rheem Compact Heat Pump Pool Heaters Installation Manual download pdf (Page 13)

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.

Unit is in the defrosting cycle.

(The fan works but the compressor is stopped.)

- - Keypad is pressing down on both buttons. Replace keypad.

Table B: Control Board Fault Codes

Fig. 8: 2-Wire Remote Connection

Heater Settings

1. Make sure the heater is disabled on the remote

control device. Then, push the SET key until POL

is displayed. Push the DOWN arrow key until OFF

is displayed. Wait until a temperature is displayed

before beginning the next step.

2. Push the SET key until SPA is displayed, then

push the UP arrow to 104°F (40°C). Wait until a

temperature is displayed before beginning the

next step.

3. Push the SET key until P_S is displayed, then

push the DOWN arrow until POL is displayed.

Wait until a temperature is displayed before begin-

ning the next step.

4. Finally, enable the heater on the remote control

device. When there is a call for heat, the heater

display will show SPA. When the heater is dis-

abled, the display will show POL.

Fig. 9: 3-Wire Remote Connection

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Rheem Compact Heat Pump Pool Heaters Installation Manual Page 13